W - Principals and Chiefs Alphabetical
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Principal Officers and Chiefs of Mission, by Name: W
NOTE TO READERS
Updates to the Principal Officers and Chiefs of Mission database are currently suspended. For information about the Department’s current and recent leadership, we recommend visiting the Department of State homepage’s Biographies of Senior Officials and List of U.S. Ambassadors.
Notice posted on January 12, 2024.
Last
updated March 14, 2024.
Note: Career Foreign Service appointees are asterisked.
- Robert Hirsch Beard Wade (1916–2005)
- U.S. Permanent Representative to the United Nations Educational, Scientific and Cultural Organization (1964–1969)
- *George Wadsworth II (1893–1958)
- Chargé d’Affaires ad interim, Italy (1941)
- Diplomatic Agent/Consul General, Lebanon (1942–1944)
- Diplomatic Agent/Consul General, Syria (1942–1944)
- Envoy Extraordinary and Minister Plenipotentiary, Lebanon (1944–1947)
- Envoy Extraordinary and Minister Plenipotentiary, Syria (1944–1947)
- Ambassador Extraordinary and Plenipotentiary, Iraq (1946)
- Ambassador Extraordinary and Plenipotentiary, Iraq (1947–1948)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1948–1952)
- Ambassador Extraordinary and Plenipotentiary, Czechoslovakia (1952–1953)
- Ambassador Extraordinary and Plenipotentiary, Saudi Arabia (1953–1958)
- Envoy Extraordinary and Minister Plenipotentiary, Yemen (1953–1958)
- James Jeremiah Wadsworth (1905–1984)
- Representative of the U.S.A. to the United Nations (1960–1961)
- Kirk W.B. Wagar (1969–)
- Ambassador Extraordinary and Plenipotentiary, Singapore (2013–2017)
- Anne Louise Wagner (1962–)
- Ambassador Extraordinary and Plenipotentiary, Luxembourg (2005–2009)
- Jacob Wagner (?–)
- Chief Clerk (1798–1807)
- Robert Ferdinand Wagner Jr. (1910–1991)
- Ambassador Extraordinary and Plenipotentiary, Spain (1968–1969)
- Personal Representative of the President, Holy See (1981)
- *Marcelle M. Wahba (1948–)
- Ambassador Extraordinary and Plenipotentiary, United Arab Emirates (2001–2004)
- *Edward Thompson Wailes (1903–1969)
- Assistant Secretary of State for Administration (1953–1954)
- Ambassador Extraordinary and Plenipotentiary, South Africa (1954–1956)
- Envoy Extraordinary and Minister Plenipotentiary, Hungary (1956)
- Ambassador Extraordinary and Plenipotentiary, Iran (1958–1961)
- Ambassador Extraordinary and Plenipotentiary, Czechoslovakia (1961–1962)
- Leonard Frederick Walentynowicz (1932–2005)
- Assistant Secretary of State for Consular Affairs (1974–1977)
- *Edward S. Walker Jr. (1940–)
- Ambassador Extraordinary and Plenipotentiary, United Arab Emirates (1989–1992)
- Ambassador Extraordinary and Plenipotentiary, Egypt (1994–1997)
- Ambassador Extraordinary and Plenipotentiary, Israel (1997–2000)
- Assistant Secretary of State for Near Eastern Affairs (1999–2001)
- George H. Walker (1931–)
- Ambassador Extraordinary and Plenipotentiary, Hungary (2003–2006)
- *Howard Kent Walker (1935–)
- Ambassador Extraordinary and Plenipotentiary, Togo (1982–1984)
- Ambassador Extraordinary and Plenipotentiary, Comoros (1989–1990)
- Ambassador Extraordinary and Plenipotentiary, Madagascar (1989–1992)
- Jenonne R. Walker (1934–)
- Ambassador Extraordinary and Plenipotentiary, Czech Republic (1995–1998)
- *Julius Waring Walker Jr. (1927–2003)
- Ambassador Extraordinary and Plenipotentiary, Burkina Faso (1981–1984)
- *Lannon Walker (1936–)
- Ambassador Extraordinary and Plenipotentiary, Senegal (1985–1988)
- Ambassador Extraordinary and Plenipotentiary, Nigeria (1989–1992)
- Ambassador Extraordinary and Plenipotentiary, Côte d’Ivoire (1995–1998)
- Richard Louis Walker (1922–2003)
- Ambassador Extraordinary and Plenipotentiary, Korea (1981–1986)
- Robert James Walker (1801–1869)
- Commissioner, China (1853)
- *Steven C. Walker (?–)
- Chargé d’Affaires, Eritrea (2019)
- *William Graham Walker (1935–)
- Ambassador Extraordinary and Plenipotentiary, El Salvador (1988–1992)
- Ambassador Extraordinary and Plenipotentiary, Argentina (Nomination of May 12, 1992, not acted upon by the Senate.)
- *R. Barrie Walkley (1944–)
- Ambassador Extraordinary and Plenipotentiary, Guinea (2001–2004)
- Ambassador Extraordinary and Plenipotentiary, Gabon (2004–2007)
- Ambassador Extraordinary and Plenipotentiary, Sao Tome and Principe (2004–2007)
- Chargé d’Affaires ad interim, South Sudan (2011)
- *Marc M. Wall (1954–)
- Ambassador Extraordinary and Plenipotentiary, Chad (2004–2007)
- Hugh Campbell Wallace (1863–1931)
- Ambassador Extraordinary and Plenipotentiary, France (1919–1921)
- Lewis Wallace (1827–1905)
- Minister Resident, Turkey (1881–1882)
- Envoy Extraordinary and Minister Plenipotentiary, Turkey (1882–1885)
- Chargé d’Affaires, Paraguay (Not commissioned; nomination to be Chargé d’Affaires to Paraguay and Uruguay withdrawn before the Senate acted upon it.)
- Chargé d’Affaires, Uruguay (Not commissioned; nomination to be Chargé d’Affaires to Paraguay and Uruguay withdrawn before the Senate acted upon it.)
- *Jacob Walles (1957–)
- Ambassador Extraordinary and Plenipotentiary, Tunisia (2012–2015)
- W. Allen Wallis (1912–1998)
- Under Secretary for Economic Growth, Energy, and the Environment (1982–1989)
- *Walter Newbold Walmsley Jr. (1904–1973)
- Ambassador Extraordinary and Plenipotentiary, Tunisia (1959–1962)
- *James Donald Walsh (1946–)
- Chargé d’Affaires ad interim, Canada (1997)
- Ambassador Extraordinary and Plenipotentiary, Argentina (2000–2003)
- *John Patrick Walsh (1918–2008)
- Ambassador Extraordinary and Plenipotentiary, Kuwait (1969–1971)
- David Walters (1917–)
- Personal Representative of the President, Holy See (1978)
- Vernon A. Walters (1917–2002)
- Ambassador at Large (1981–1985)
- Representative of the U.S.A. to the United Nations (1985–1989)
- Ambassador Extraordinary and Plenipotentiary, Germany (1989–1991)
- Lester Aglar Walton (1882–1965)
- Envoy Extraordinary and Minister Plenipotentiary, Liberia (1935–1946)
- *Angus Ivan Ward (1893–1969)
- Ambassador Extraordinary and Plenipotentiary, Afghanistan (1952–1956)
- *George F. Ward Jr. (1945–)
- Ambassador Extraordinary and Plenipotentiary, Namibia (1996–1999)
- *Jennifer C. Ward (1944–)
- Ambassador Extraordinary and Plenipotentiary, Niger (1991–1993)
- John Elliott Ward (1814–1902)
- Envoy Extraordinary and Minister Plenipotentiary, China (1858–1860)
- *Frank P. Wardlaw (1944–)
- Chargé d’Affaires ad interim, Malta (1982)
- Marilyn Ware (1943–)
- Ambassador Extraordinary and Plenipotentiary, Finland (2005–2008)
- *James B. Warlick Jr. (1956–)
- Ambassador Extraordinary and Plenipotentiary, Bulgaria (2009–2012)
- *Mary Burce Warlick (1957–)
- Ambassador Extraordinary and Plenipotentiary, Serbia (2009–2012)
- Marvin Leon Warner (1919–2002)
- Ambassador Extraordinary and Plenipotentiary, Switzerland (1977–1979)
- Paul Culliton Warnke (1920–2001)
- Director of the U.S. Arms Control and Disarmament Agency (1977–1978)
- *Avra Milvin Warren (1893–1957)
- Envoy Extraordinary and Minister Plenipotentiary, Dominican Republic (1942–1943)
- Ambassador Extraordinary and Plenipotentiary, Dominican Republic (1943–1944)
- Ambassador Extraordinary and Plenipotentiary, Panama (1944–1945)
- Envoy Extraordinary and Minister Plenipotentiary, New Zealand (1945–1947)
- Envoy Extraordinary and Minister Plenipotentiary, Finland (1947–1950)
- Ambassador Extraordinary and Plenipotentiary, Pakistan (1949)
- Ambassador Extraordinary and Plenipotentiary, Pakistan (1950–1952)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1953–1956)
- Charles Beecher Warren (1870–1936)
- Ambassador Extraordinary and Plenipotentiary, Japan (1921–1922)
- Ambassador Extraordinary and Plenipotentiary, Mexico (1924)
- Fitz Henry Warren (1816–1878)
- Minister Resident, Guatemala (1865–1869)
- *William Fletcher Warren (1896–1992)
- Ambassador Extraordinary and Plenipotentiary, Nicaragua (1945–1947)
- Ambassador Extraordinary and Plenipotentiary, Paraguay (1947–1950)
- Ambassador Extraordinary and Plenipotentiary, Venezuela (1951–1956)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1956–1960)
- Albert Henry Washburn (1866–1930)
- Envoy Extraordinary and Minister Plenipotentiary, Austria (1922–1930)
- Charles Ames Washburn (1822–1889)
- Commissioner, Paraguay (1861–1863)
- Minister Resident, Paraguay (1863–1868)
- John Davis Washburn (1833–1903)
- Minister Resident/Consul General, Switzerland (1889–1890)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1890–1892)
- Elihu Benjamin Washburne (1816–1887)
- Envoy Extraordinary and Minister Plenipotentiary, France (1869–1877)
- Secretary of State (1869)
- Ruth V. Washington (1921–1990)
- Ambassador Extraordinary and Plenipotentiary, The Gambia (1989)
- Mary Kirtley Waters (1958–)
- Assistant Secretary of State for Legislative Affairs (2017–2018)
- Shelah Waters (?–)
- Minister Resident, Ecuador (Not commissioned; nomination not confirmed by the Senate.)
- *Alexander Fletcher Watson (1939–)
- Chargé d’Affaires ad interim, Bolivia (1981)
- Ambassador Extraordinary and Plenipotentiary, Peru (1986–1989)
- Assistant Secretary of State for Western Hemisphere Affairs (1993–1996)
- Ambassador Extraordinary and Plenipotentiary, Brazil (Nomination of May 12, 1992, not acted upon by the Senate.)
- Arthur Kittredge Watson (1919–1974)
- Ambassador Extraordinary and Plenipotentiary, France (1970–1972)
- Barbara Mae Watson (1918–1983)
- Assistant Secretary of State for Consular Affairs (1968–1974)
- Assistant Secretary of State for Consular Affairs (1977–1980)
- Ambassador Extraordinary and Plenipotentiary, Malaysia (1980–1981)
- Diane Edith Watson (1933–)
- Ambassador Extraordinary and Plenipotentiary, Micronesia, Federated States of (1999–2002)
- *Samuel Robert Watson III (?–)
- Chargé d’Affaires ad interim, Iceland (2010)
- Chargé d’Affaires ad interim, Gabon (2020)
- Thomas J. Watson Jr. (1914–1993)
- Ambassador Extraordinary and Plenipotentiary, Russia (1979–1981)
- *Linda Ellen Watt (1951–)
- Ambassador Extraordinary and Plenipotentiary, Panama (2002–2005)
- Harvey Magee Watterson (1811–1891)
- Chargé d’Affaires, Argentina (Not commissioned; nomination of February 1844 rejected by the Senate in June 1844.)
- Beaufort T. Watts (1798–1869)
- Chargé d’Affaires, Colombia (1827)
- Henry Miller Watts (1805–1890)
- Envoy Extraordinary and Minister Plenipotentiary, Austria (1868–1869)
- *Keith Leveret Wauchope (1941–)
- Ambassador Extraordinary and Plenipotentiary, Gabon (1989–1992)
- Ambassador Extraordinary and Plenipotentiary, Sao Tome and Principe (1989–1992)
- Samuel Clark Waugh (1890–1970)
- Assistant Secretary of State for Economic, Energy, and Business Affairs (1953–1955)
- Deputy Under Secretary of State for Economic Affairs (1955)
- *Earl Anthony Wayne (1950–)
- Assistant Secretary of State for Economic, Energy, and Business Affairs (2000–2006)
- Ambassador Extraordinary and Plenipotentiary, Argentina (2006–2009)
- Ambassador Extraordinary and Plenipotentiary, Mexico (2011–2015)
- Career Ambassador (2011)
- Capus Miller Waynick (1889–1986)
- Ambassador Extraordinary and Plenipotentiary, Nicaragua (1949–1951)
- Ambassador Extraordinary and Plenipotentiary, Colombia (1951–1953)
- *William Henry Weathersby (1914–2001)
- Ambassador Extraordinary and Plenipotentiary, Sudan (1965–1967)
- A. Vernon Weaver (1922–2011)
- Representative of the U.S.A. to the European Union, with the rank and status of Ambassador Extraordinary and Plenipotentiary (1996–1999)
- James Edwin Webb (1906–1992)
- Under Secretary of State (1949–1952)
- James Watson Webb (1802–1884)
- Chargé d’Affaires, Austria (1849–1850)
- Envoy Extraordinary and Minister Plenipotentiary, Brazil (1861–1869)
- Minister Resident, Turkey (1861)
- Daniel Webster (1782–1852)
- Secretary of State (1841–1843)
- Secretary of State (1850–1852)
- Daniel Fletcher Webster (1813–1862)
- Chief Clerk (1841–1843)
- *Alexander Wilbourne Weddell (1876–1948)
- Ambassador Extraordinary and Plenipotentiary, Argentina (1933–1938)
- Ambassador Extraordinary and Plenipotentiary, Spain (1939–1942)
- *Paul A. Wedderien (1958–)
- Director of the Office of Management Policy, Rightsizing, and Innovation (2017)
- Leon Jerome Weil (1927–2011)
- Ambassador Extraordinary and Plenipotentiary, Nepal (1984–1987)
- John Giffen Weinmann (1928–)
- Ambassador Extraordinary and Plenipotentiary, Finland (1989–1991)
- Chief of Protocol (1991–1993)
- *Robert Weisberg (1950–)
- Ambassador Extraordinary and Plenipotentiary, Congo (Brazzaville) (2006–2008)
- Ronald Weiser (1945–)
- Ambassador Extraordinary and Plenipotentiary, Slovakia (2001–2004)
- Seymour Weiss (1925–1992)
- Assistant Secretary of State for Politico-Military Affairs (1973–1974)
- Ambassador Extraordinary and Plenipotentiary, The Bahamas (1974–1976)
- Marvin Weissman (1927–)
- Ambassador Extraordinary and Plenipotentiary, Costa Rica (1977–1980)
- Ambassador Extraordinary and Plenipotentiary, Bolivia (1980)
- George Thomas Weitzel (1873–1936)
- Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1911–1913)
- *C. David Welch (1953–)
- Chargé d’Affaires ad interim, Saudi Arabia (1994)
- Assistant Secretary of State for International Organization Affairs (1998–2001)
- Ambassador Extraordinary and Plenipotentiary, Egypt (2001–2005)
- Assistant Secretary of State for Near Eastern Affairs (2005–2008)
- Career Ambassador (2008)
- John B. Weller (1812–1875)
- Envoy Extraordinary and Minister Plenipotentiary, Mexico (1860–1861)
- *Benjamin Sumner Welles (1892–1961)
- Ambassador Extraordinary and Plenipotentiary, Cuba (1933)
- Assistant Secretary of State (1933)
- Assistant Secretary of State (1933–1937)
- Under Secretary of State (1937–1943)
- *Alice G. Wells (1963–)
- Ambassador Extraordinary and Plenipotentiary, Jordan (2014–2017)
- Barry L. Wells (1942–)
- Ambassador Extraordinary and Plenipotentiary, The Gambia (2007–2009)
- Hezekiah G. Wells (1812–1885)
- Minister Resident, Honduras (1861)
- *Melissa Foelsch Wells (1932–)
- Ambassador Extraordinary and Plenipotentiary, Cape Verde (1976–1977)
- Ambassador Extraordinary and Plenipotentiary, Guinea-Bissau (1976–1977)
- Ambassador Extraordinary and Plenipotentiary, Mozambique (1987–1990)
- Ambassador Extraordinary and Plenipotentiary, Congo (Kinshasa) (1991–1992)
- Ambassador Extraordinary and Plenipotentiary, Estonia (1998–2001)
- John Welsh (1805–1886)
- Envoy Extraordinary and Minister Plenipotentiary, United Kingdom (1877–1879)
- Beatrice W. Welters (1951–)
- Ambassador Extraordinary and Plenipotentiary, Trinidad and Tobago (2010–2012)
- *Donna A. Welton (?–)
- Chargé d’Affaires ad interim, Finland (2018)
- *E. Allan Wendt (1935–)
- Ambassador Extraordinary and Plenipotentiary, Slovenia (1993–1995)
- Alexa Lange Wesner (1972–)
- Ambassador Extraordinary and Plenipotentiary, Austria (2013–2017)
- Emanuel J. West (1796–1830)
- Chargé d’Affaires, Peru (1829)
- John Carl West (1922–2004)
- Ambassador Extraordinary and Plenipotentiary, Saudi Arabia (1977–1981)
- *Samuel Zazachilds Westerfield Jr. (1919–1972)
- Ambassador Extraordinary and Plenipotentiary, Liberia (1969–1972)
- Joseph William Westphal (1948–)
- Ambassador Extraordinary and Plenipotentiary, Saudi Arabia (2014–2017)
- *Clifton Reginald Wharton (1899–1990)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1958–1960)
- Ambassador Extraordinary and Plenipotentiary, Norway (1961–1964)
- Clifton Reginald Wharton Jr. (1926–)
- Deputy Secretary of State (1993)
- *David Bruce Wharton (1954–)
- Ambassador Extraordinary and Plenipotentiary, Zimbabwe (2012–2015)
- William Fisher Wharton (1847–1919)
- Assistant Secretary of State (1889–1893)
- Secretary of State ad interim (1892)
- Secretary of State ad interim (1893)
- Henry Wheaton (1785–1848)
- Chargé d’Affaires, Denmark (1827–1835)
- Chargé d’Affaires, Germany (1835–1837)
- Envoy Extraordinary and Minister Plenipotentiary, Germany (1837–1846)
- *George Post Wheeler (1869–1956)
- Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1929–1933)
- Envoy Extraordinary and Minister Plenipotentiary, Albania (1933–1934)
- John H. Wheeler (1806–1882)
- Minister Resident, Nicaragua (1854–1856)
- Thomas Edward Whelan (1895–1977)
- Ambassador Extraordinary and Plenipotentiary, Nicaragua (1951–1961)
- Benjamin Franklin Whidden (1813–1896)
- Commissioner and Consul General, Haiti (1862–1865)
- *Eric P. Whitaker (?–)
- Ambassador Extraordinary and Plenipotentiary, Niger (2017)
- *Kevin M. Whitaker (1957–)
- Ambassador Extraordinary and Plenipotentiary, Colombia (2014–2019)
- Andrew Dickson White (1832–1918)
- Envoy Extraordinary and Minister Plenipotentiary, Germany (1879–1881)
- Envoy Extraordinary and Minister Plenipotentiary, Russia (1892–1894)
- Ambassador Extraordinary and Plenipotentiary, Germany (1897–1902)
- Barry B. White (1943–)
- Ambassador Extraordinary and Plenipotentiary, Norway (2009–2013)
- Charles Dunning White (1868–1954)
- Envoy Extraordinary and Minister Plenipotentiary, Honduras (1911–1913)
- *Francis White (1892–1961)
- Assistant Secretary of State (1927–1933)
- Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1933)
- Ambassador Extraordinary and Plenipotentiary, Mexico (1953–1957)
- Ambassador Extraordinary and Plenipotentiary, Sweden (1957–1958)
- Henry White (1850–1927)
- Ambassador Extraordinary and Plenipotentiary, Italy (1905–1907)
- Ambassador Extraordinary and Plenipotentiary, France (1906–1909)
- *Jeffrey White (?–)
- Chargé d’Affaires ad interim, Turkmenistan ()
- *John Campbell White (1884–1967)
- Envoy Extraordinary and Minister Plenipotentiary, Haiti (1940–1943)
- Diplomatic Agent/Consul General, Morocco (1940–1941)
- Ambassador Extraordinary and Plenipotentiary, Haiti (1943–1944)
- Ambassador Extraordinary and Plenipotentiary, Peru (1944–1945)
- Julius White (1816–1890)
- Minister Resident, Argentina (1872–1873)
- Minister Resident, Argentina (1872)
- Katharine Elkus White (1906–1985)
- Ambassador Extraordinary and Plenipotentiary, Denmark (1964–1968)
- *Pamela Ann White (1948–)
- Ambassador Extraordinary and Plenipotentiary, The Gambia (2010–2012)
- Ambassador Extraordinary and Plenipotentiary, Haiti (2012–2015)
- Philo White (1796–1874)
- Chargé d’Affaires, Ecuador (1853–1854)
- Minister Resident, Ecuador (1854–1858)
- Envoy Extraordinary and Minister Plenipotentiary, Ecuador (Nomination of February 25, 1856, withdrawn before the Senate acted upon it.)
- *Robert Edward White (1926–2015)
- Ambassador Extraordinary and Plenipotentiary, Paraguay (1977–1980)
- Ambassador Extraordinary and Plenipotentiary, El Salvador (1980–1981)
- John C. Whitehead (1922–2015)
- Deputy Secretary of State (1985–1989)
- *Robert E. Whitehead (1950–)
- Chargé d’Affaires, Sudan (2011)
- Ambassador Extraordinary and Plenipotentiary, Togo (2012–2015)
- Chargé d’Affaires ad interim, Gabon (2019–2020)
- *Charles Sheldon Whitehouse (1926–2001)
- Ambassador Extraordinary and Plenipotentiary, Laos (1973–1975)
- Ambassador Extraordinary and Plenipotentiary, Thailand (1975–1978)
- *Sheldon Whitehouse (1883–1965)
- Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1929–1933)
- Envoy Extraordinary and Minister Plenipotentiary, Colombia (1933–1934)
- Ruth A. Whiteside (1950–)
- Director of the Foreign Service Institute (2006–2013)
- Brand Whitlock (1869–1934)
- Envoy Extraordinary and Minister Plenipotentiary, Belgium (1913–1919)
- Ambassador Extraordinary and Plenipotentiary, Belgium (1919–1921)
- Benson K. Whitney (1956–)
- Ambassador Extraordinary and Plenipotentiary, Norway (2005–2009)
- John Hay Whitney (1904–1982)
- Ambassador Extraordinary and Plenipotentiary, United Kingdom (1957–1961)
- Faith Ryan Whittlesey (1939–)
- Ambassador Extraordinary and Plenipotentiary, Switzerland (1981–1983)
- Ambassador Extraordinary and Plenipotentiary, Switzerland (1985–1988)
- Charles Z. Wick (1917–2008)
- Director of the U.S. Information Agency (1981–1989)
- James Pyle Wickersham (1825–1891)
- Chargé d’Affaires, Denmark (1882)
- Minister Resident/Consul General, Denmark (1882)
- Robert Wickliffe Jr. (?–1850)
- Chargé d’Affaires, Italy (1843)
- *Kent M. Wiedemann (1946–)
- Ambassador Extraordinary and Plenipotentiary, Cambodia (1999–2002)
- Chargé d’Affaires ad interim, Burma (1999)
- James Russell Wiggins (1903–2000)
- Representative of the U.S.A. to the United Nations (1968–1969)
- Richard Bowditch Wigglesworth (1891–1960)
- Ambassador Extraordinary and Plenipotentiary, Canada (1958–1960)
- Francis Orlando Wilcox (1908–1985)
- Assistant Secretary of State for International Organization Affairs (1955–1961)
- *Philip C. Wilcox Jr. (1937–)
- Director of the Bureau of Counterterrorism (1994–1997)
- *John Cooper Wiley (1893–1967)
- Envoy Extraordinary and Minister Plenipotentiary, Estonia (1938–1940)
- Chargé d’Affaires ad interim, Austria (1938)
- Envoy Extraordinary and Minister Plenipotentiary, Latvia (1938–1940)
- Ambassador Extraordinary and Plenipotentiary, Colombia (1944–1947)
- Ambassador Extraordinary and Plenipotentiary, Portugal (1947–1948)
- Ambassador Extraordinary and Plenipotentiary, Iran (1948–1950)
- Ambassador Extraordinary and Plenipotentiary, Panama (1951–1953)
- *Marshall Wayne Wiley (1925–1998)
- Principal Officer, Iraq (1977)
- Ambassador Extraordinary and Plenipotentiary, Oman (1978–1981)
- Malcolm Richard Wilkey (1918–2009)
- Ambassador Extraordinary and Plenipotentiary, Uruguay (1985–1990)
- C. Howard Wilkins Jr. (1939–)
- Ambassador Extraordinary and Plenipotentiary, Netherlands (1989–1992)
- David Horton Wilkins (1946–)
- Ambassador Extraordinary and Plenipotentiary, Canada (2005–2009)
- *Fraser Wilkins (1908–1989)
- Ambassador Extraordinary and Plenipotentiary, Cyprus (1960–1964)
- Inspector General of the Department of State and the Foreign Service (1964–1971)
- William Wilkins (1779–1865)
- Envoy Extraordinary and Minister Plenipotentiary, Russia (1834–1835)
- *Sharon P. Wilkinson (1947–)
- Chargé d’Affaires, Portugal (1994)
- Ambassador Extraordinary and Plenipotentiary, Burkina Faso (1996–1999)
- Ambassador Extraordinary and Plenipotentiary, Mozambique (2000–2003)
- *Jean Mary Wilkowski (1919–)
- Ambassador Extraordinary and Plenipotentiary, Zambia (1972–1976)
- Joseph Edward Willard (1865–1924)
- Ambassador Extraordinary and Plenipotentiary, Spain (1913–1921)
- Envoy Extraordinary and Minister Plenipotentiary, Spain (1913)
- Whiting Willauer (1906–1962)
- Ambassador Extraordinary and Plenipotentiary, Honduras (1954–1958)
- Ambassador Extraordinary and Plenipotentiary, Costa Rica (1958–1961)
- Pamela P. Willeford (1950–)
- Ambassador Extraordinary and Plenipotentiary, Switzerland (2003–2006)
- Ambassador Extraordinary and Plenipotentiary, Liechtenstein (2003–2006)
- Alpheus Starkey Williams (1810–1878)
- Minister Resident, El Salvador (1866–1869)
- *Bisa Williams (1954–)
- Ambassador Extraordinary and Plenipotentiary, Niger (2010–2013)
- Jacquelyn W. Williams-Bridgers (1956–)
- Inspector General of the Department of State and the Foreign Service (1995–2001)
- Franklin Hall Williams (1917–1990)
- Ambassador Extraordinary and Plenipotentiary, Ghana (1965–1968)
- George Fred Williams (1852–1932)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1913–1914)
- Envoy Extraordinary and Minister Plenipotentiary, Montenegro (1913–1914)
- George Washington Williams (1849–1891)
- Minister Resident/Consul General, Haiti (1885)
- Gerhard Mennen Williams (1911–1988)
- Assistant Secretary of State for African Affairs (1961–1966)
- Ambassador Extraordinary and Plenipotentiary, Philippines (1968–1969)
- James Williams (1796–1869)
- Minister Resident, Turkey (1858–1861)
- John Williams (1778–1837)
- Chargé d’Affaires, Guatemala (1825–1826)
- *Karen L. Williams (?–)
- Ambassador Extraordinary and Plenipotentiary, Suriname (2018)
- *Murat Willis Williams (1914–1994)
- Ambassador Extraordinary and Plenipotentiary, El Salvador (1961–1964)
- *Richard Llewellen Williams (1929–)
- Ambassador Extraordinary and Plenipotentiary, Mongolia (1988–1990)
- Robert Williams (?–)
- Assistant Secretary of State for South and Central Asian Affairs (Nomination of January 3, 2019 withdrawn by the president on April 11, 2019..)
- Sidney Williams (1942–)
- Ambassador Extraordinary and Plenipotentiary, The Bahamas (1994–1998)
- William Williams (1821–1896)
- Chargé d’Affaires, Paraguay (1882–1885)
- Chargé d’Affaires, Uruguay (1882–1885)
- *Bruce M. Williamson (?–)
- Chargé d’Affaires, Bolivia (2020)
- Edwin D. Williamson (1939–)
- Legal Adviser (1990–1993)
- George McWillie Williamson (1829–1882)
- Minister Resident, El Salvador (1873–1879)
- Minister Resident, Costa Rica (1873–1879)
- Minister Resident, Honduras (1873–1879)
- Minister Resident, Guatemala (1873–1879)
- Minister Resident, Nicaragua (1873–1879)
- John Clint Williamson (1961–)
- Ambassador at Large (2006–2009)
- John Gustavus Adolphus Williamson (1793–1840)
- Chargé d’Affaires, Venezuela (1835–1840)
- *Larry C. Williamson (1930–2014)
- Ambassador Extraordinary and Plenipotentiary, Gabon (1984–1987)
- Ambassador Extraordinary and Plenipotentiary, Sao Tome and Principe (1984–1987)
- Richard Salisbury Williamson (1949–)
- Representative of the U.S.A. to the Vienna Office of the United Nations (Vienna) (1983–1985)
- Assistant Secretary of State for International Organization Affairs (1988–1989)
- Albert Shelby Willis (1843–1897)
- Envoy Extraordinary and Minister Plenipotentiary, Hawaii (1893–1897)
- *Frances Elizabeth Willis (1899–1983)
- Ambassador Extraordinary and Plenipotentiary, Switzerland (1953–1957)
- Ambassador Extraordinary and Plenipotentiary, Norway (1957–1961)
- Ambassador Extraordinary and Plenipotentiary, Sri Lanka (1961–1964)
- Career Ambassador (1962)
- *E. Ashley Wills (1949–)
- Ambassador Extraordinary and Plenipotentiary, Maldives (2000–2003)
- Ambassador Extraordinary and Plenipotentiary, Sri Lanka (2000–2003)
- *Mary Jo Wills (1951–)
- Ambassador Extraordinary and Plenipotentiary, Seychelles (2009–2011)
- Ambassador Extraordinary and Plenipotentiary, Mauritius (2009–2011)
- John North Willys (1873–1935)
- Ambassador Extraordinary and Plenipotentiary, Poland (1930–1932)
- *Charles Stetson Wilson (1873–1947)
- Chargé d’Affaires ad interim, Bulgaria (1921)
- Envoy Extraordinary and Minister Plenipotentiary, Bulgaria (1921–1928)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1928–1933)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1933–1937)
- *Edwin Carleton Wilson (1893–1972)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1939–1941)
- Ambassador Extraordinary and Plenipotentiary, Panama (1941–1943)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1945–1948)
- Francis Mairs Huntington Wilson (1875–1946)
- Diplomatic Agent, Bulgaria (1908)
- Envoy Extraordinary and Minister Plenipotentiary, Serbia (1908)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1908)
- Envoy Extraordinary and Minister Plenipotentiary, Argentina (1909)
- Assistant Secretary of State (1909–1913)
- Henry Lane Wilson (1856–1932)
- Envoy Extraordinary and Minister Plenipotentiary, Chile (1897–1904)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Serbia (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Belgium (1905–1909)
- Ambassador Extraordinary and Plenipotentiary, Mexico (1909–1913)
- *Hugh Robert Wilson (1885–1946)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1927–1937)
- Assistant Secretary of State (1937–1938)
- Ambassador Extraordinary and Plenipotentiary, Germany (1938)
- James Wilson (1825–1867)
- Minister Resident, Venezuela (1866–1867)
- *James Morrison Wilson Jr. (1918–2009)
- Assistant Secretary of State for Democracy, Human Rights, and Labor (1976–1977)
- *Joseph Charles Wilson IV (1949–)
- Chargé d’Affaires ad interim, Iraq (1991)
- Ambassador Extraordinary and Plenipotentiary, Gabon (1992–1995)
- Ambassador Extraordinary and Plenipotentiary, Sao Tome and Principe (1992–1995)
- *Orme Wilson Jr. (1885–1966)
- Ambassador Extraordinary and Plenipotentiary, Haiti (1944–1946)
- *Ross L. Wilson (1955–)
- Ambassador Extraordinary and Plenipotentiary, Azerbaijan (2000–2003)
- Ambassador Extraordinary and Plenipotentiary, Turkey (2005–2008)
- *Thomas Murray Wilson (1881–1967)
- Minister Resident/Consul General, Iraq (1942–1943)
- William A. Wilson (1914–2009)
- Personal Representative of the President, Holy See (1984)
- Ambassador Extraordinary and Plenipotentiary, Holy See (1984–1986)
- John Gilbert Winant (1889–1947)
- Ambassador Extraordinary and Plenipotentiary, United Kingdom (1941–1946)
- Boyd Winchester (1836–1923)
- Minister Resident/Consul General, Switzerland (1885–1889)
- James Wilmer Wine (1918–1990)
- Ambassador Extraordinary and Plenipotentiary, Luxembourg (1961–1962)
- Ambassador Extraordinary and Plenipotentiary, Côte d’Ivoire (1962–1965)
- Edward Rumsey Wing (1845–1874)
- Minister Resident, Ecuador (1869–1874)
- Philip D. Winn (1925–)
- Ambassador Extraordinary and Plenipotentiary, Switzerland (1988–1989)
- *North Winship (1885–1968)
- Envoy Extraordinary and Minister Plenipotentiary, South Africa (1948–1949)
- Ambassador Extraordinary and Plenipotentiary, South Africa (1949)
- Curtin Winsor Jr. (1939–)
- Ambassador Extraordinary and Plenipotentiary, Costa Rica (1983–1985)
- Frederick Hampden Winston (1830–1904)
- Minister Resident/Consul General, Iran (1885–1886)
- *Andrew J. Winter (1946–)
- Ambassador Extraordinary and Plenipotentiary, The Gambia (1993–1995)
- David Judson Winton (1897–)
- Envoy Extraordinary and Minister Plenipotentiary, New Zealand (Not commissioned; nomination withdrawn before the Senate acted upon it.)
- Timothy Endicott Wirth (1939–)
- Counselor (1993–1994)
- Under Secretary of State for Civilian Security, Democracy, and Human Rights (1994–1997)
- Henry Alexander Wise (1806–1876)
- Envoy Extraordinary and Minister Plenipotentiary, Brazil (1844–1847)
- Envoy Extraordinary and Minister Plenipotentiary, France (Not commissioned; nomination rejected by the Senate.)
- *Frank G. Wisner II (1938–)
- Ambassador Extraordinary and Plenipotentiary, Zambia (1979–1982)
- Ambassador Extraordinary and Plenipotentiary, Egypt (1986–1991)
- Ambassador Extraordinary and Plenipotentiary, Philippines (1991–1992)
- Under Secretary of State for Arms Control and International Security Affairs (1992–1993)
- Secretary of State ad interim (1993)
- Ambassador Extraordinary and Plenipotentiary, India (1994–1997)
- Career Ambassador (1995)
- *Robert M. Witajewski (?–)
- Chargé d’Affaires ad interim, The Bahamas (2004)
- *Charles Dudley Withers (1916–)
- Ambassador Extraordinary and Plenipotentiary, Rwanda (1963–1966)
- *John L. Withers (1948–)
- Ambassador Extraordinary and Plenipotentiary, Albania (2007–2010)
- *William Witman II (1914–1978)
- Ambassador Extraordinary and Plenipotentiary, Togo (1964–1967)
- Duane E. Woerth (1948–)
- Representative of the U.S.A. on the Council of the International Civil Aviation Organization (Montreal) (2010–2013)
- *Lawrence D. Wohlers (1955–)
- Ambassador Extraordinary and Plenipotentiary, Central African Republic (2010–2013)
- *Paul D. Wohlers (?–)
- Ambassador Extraordinary and Plenipotentiary, Macedonia (2011–2015)
- Jackie Wolcott (?–)
- Representative of the U.S.A. to the Vienna Office of the United Nations (Vienna) (2018)
- Representative of the U.S.A. to the International Atomic Energy Agency (Vienna) (2018)
- Roger Wolcott (1847–1900)
- Ambassador Extraordinary and Plenipotentiary, Italy (1900)
- *John Stern Wolf (1948–)
- Ambassador Extraordinary and Plenipotentiary, Malaysia (1992–1995)
- Assistant Secretary of State for Non-Proliferation (2001–2004)
- Milton Albert Wolf (1924–2005)
- Ambassador Extraordinary and Plenipotentiary, Austria (1977–1980)
- Simon Wolf (1836–1923)
- Agent/Consul General, Egypt (1881–1882)
- *David Wolfe (1961–)
- Chargé d’Affaires ad interim, Trinidad and Tobago (2013)
- *Alejandro Daniel Wolff (1956–)
- Ambassador Extraordinary and Plenipotentiary, Chile (2010–2013)
- Paul Dundes Wolfowitz (1943–)
- Director of Policy Planning (1981–1982)
- Assistant Secretary of State for East Asian and Pacific Affairs (1982–1986)
- Ambassador Extraordinary and Plenipotentiary, Indonesia (1986–1989)
- *William Down Wolle (1928–)
- Ambassador Extraordinary and Plenipotentiary, Oman (1974–1978)
- Ambassador Extraordinary and Plenipotentiary, United Arab Emirates (1979–1981)
- *Eric Wong (?–)
- Chargé d’Affaires ad interim, Comoros (2014)
- Chargé d’Affaires ad interim, Madagascar (2014)
- Bradford Ripley Wood (1800–1889)
- Minister Resident, Denmark (1861–1865)
- *Chalmers Benedict Wood (1917–1991)
- Chargé d’Affaires ad interim, Fiji (1974)
- Chargé d’Affaires ad interim, Tonga (1974)
- Chargé d’Affaires ad interim, Samoa (1974)
- Chargé d’Affaires ad interim, New Zealand (1974)
- Michael Wood (1947–)
- Ambassador Extraordinary and Plenipotentiary, Sweden (2006–2009)
- *William Braucher Wood (1950–)
- Ambassador Extraordinary and Plenipotentiary, Colombia (2003–2007)
- Ambassador Extraordinary and Plenipotentiary, Afghanistan (2007–2009)
- Charles Levi Woodbury (1820–1898)
- Chargé d’Affaires, Bolivia (1853)
- Leonard F. Woodcock (1911–2001)
- Chief, China (1977–1979)
- Ambassador Extraordinary and Plenipotentiary, China (1979–1981)
- Stewart Lyndon Woodford (1835–1913)
- Envoy Extraordinary and Minister Plenipotentiary, Spain (1897–1898)
- *Arthur H. Woodruff (1928–)
- Ambassador Extraordinary and Plenipotentiary, Central African Republic (1981–1983)
- Cyrus E. Woods (1861–1938)
- Envoy Extraordinary and Minister Plenipotentiary, Portugal (1912–1913)
- Ambassador Extraordinary and Plenipotentiary, Spain (1921–1923)
- Ambassador Extraordinary and Plenipotentiary, Japan (1923–1924)
- M. Alan Woods (1946–1989)
- Administrator of the Agency for International Development (1987–1989)
- Jonathan F. Woodside (1799–1845)
- Chargé d’Affaires, Denmark (1835–1841)
- *Robert Forbes Woodward (1908–2001)
- Ambassador Extraordinary and Plenipotentiary, Costa Rica (1954–1958)
- Ambassador Extraordinary and Plenipotentiary, Uruguay (1958–1961)
- Ambassador Extraordinary and Plenipotentiary, Chile (1961)
- Assistant Secretary of State for Western Hemisphere Affairs (1961–1962)
- Ambassador Extraordinary and Plenipotentiary, Spain (1962–1965)
- *Stanley Woodward (1899–1992)
- Chief of Protocol (1944)
- Chief of Protocol (1946–1950)
- Ambassador Extraordinary and Plenipotentiary, Canada (1950–1953)
- *Henry T. Wooster (?–)
- Chargé d’Affaires ad interim, Jordan (2017–2018)
- Ambassador Extraordinary and Plenipotentiary, Jordan (2020)
- Henry Gaither Worthington (1828–1909)
- Minister Resident, Argentina (1868–1869)
- Minister Resident, Uruguay (1868–1869)
- Aldona Wos (1955–)
- Ambassador Extraordinary and Plenipotentiary, Estonia (2004–2007)
- William Howard Wriggins (1918–2008)
- Ambassador Extraordinary and Plenipotentiary, Sri Lanka (1977–1979)
- Ambassador Extraordinary and Plenipotentiary, Maldives (1978–1979)
- Donald J. Wright (?–)
- Ambassador Extraordinary and Plenipotentiary, Tanzania (2020)
- Jerauld Wright (1898–1995)
- Ambassador Extraordinary and Plenipotentiary, China (1963–1965)
- Joseph Albert Wright (1810–1867)
- Envoy Extraordinary and Minister Plenipotentiary, Germany (1857–1861)
- Envoy Extraordinary and Minister Plenipotentiary, Germany (1865–1867)
- *Joshua Butler Wright (1877–1939)
- Third Assistant Secretary of State (1923–1924)
- Assistant Secretary of State (1924–1927)
- Envoy Extraordinary and Minister Plenipotentiary, Hungary (1927–1930)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1930–1934)
- Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1934–1937)
- Ambassador Extraordinary and Plenipotentiary, Cuba (1937–1939)
- *Lacy A. Wright (1942–)
- Chargé d’Affaires ad interim, Jamaica (1994)
- Luke Edward Wright (1846–1922)
- Ambassador Extraordinary and Plenipotentiary, Japan (1906–1907)
- *Thomas Kenneth Wright (1908–1998)
- Chargé d’Affaires, Malaysia (1957)
- Ambassador Extraordinary and Plenipotentiary, Mali (1960–1961)
- *William Marshall Wright (1926–2013)
- Assistant Secretary of State for Legislative Affairs (1973–1974)
- Ann Barbara Wrobleski (1952–)
- Assistant Secretary of State for International Narcotics and Law Enforcement Affairs (1986–1989)
- Christian Friedrich Wilhelm Jurgen Wullweber (1833–1877)
- Minister Resident, Ecuador (1875–1876)
- *Michael Gordon Wygant (1936–)
- Representative, Micronesia, Federated States of (1987–1990)