| Elihu Root | Buenos Aires, Bahia Blanca | Met with President Figueroa and Foreign Minister Montes; delivered several public
addresses. | August 14–21, 1906 |
| Bainbridge Colby | Buenos Aires | Official visit. | January 1–4, 1921 |
| Cordell Hull | Buenos Aires | Met with President Justo and addressed the American Club. Toured Argentine Lakes
District en route to Chile. | December 27–31, 1933 |
| Cordell Hull | Buenos Aires | Attended Inter-American Conference for the Maintenance of Peace. | November 25–December 26, 1936 |
| Christian Archibald Herter | Buenos Aires, Mar del Plata, San Carlos de Bariloche | Accompanied President Eisenhower on a good will tour. | February 26–29, 1960 |
| David Dean Rusk | Buenos Aires | Met with Foreign Minister Zavala Ortiz. | November 15–16, 1965 |
| David Dean Rusk | Buenos Aires | Attended the Third Special Inter-American Conference. | February 14–21, 1967 |
| William Pierce Rogers | Buenos Aires | Attended the inauguration of President Campora. | May 23–26, 1973 |
| Cyrus Roberts Vance | Buenos Aires | Met with President Videla and senior Argentinian officials. | November 20–22, 1977 |
| Alexander Meigs Haig | Buenos Aires | Attempted to resolve the Falkland/Malvinas crisis. Stopped in Dakar, Senegal, April
9 on way from London. | April 9–11, 1982 |
| Alexander Meigs Haig | Buenos Aires | Attempted to resolve the Falkland/Malvinas crisis. | April 15–19, 1982 |
| George Pratt Shultz | Buenos Aires | Met with President Alfonsin and senior Argentine officials. | August 2–4, 1988 |
| Warren Minor Christopher | Buenos Aires | Met with President Menem and Foreign Minister Di Tella. Signed agreement on space
cooperation. | February 28–March 1, 1996 |
| Madeleine Korbel Albright | Buenos Aires | Accompanied President Clinton. | October 15–17, 1997 |
| Madeleine Korbel Albright | Buenos Aires | Met with President De la Rua and Foreign Minister Giavarini. | August 15–17, 2000 |
| Colin Luther Powell | Buenos Aires | Met with President Kirchner. | June 10, 2003 |
| Condoleezza Rice | Mar del Plata | Accompanied President Bush to the Summit of the Americas. | November 3–5, 2005 |
| Hillary Rodham Clinton | Buenos Aires | Met with President Fernandez de Kirchner. | March 1–2, 2010 |
| John Forbes Kerry | Buenos Aires | Met with President Mauricio Macri, opened the U.S.-Argentina High Level Dialogue,
and addressed the Argentine-American Chamber of Commerce. | August 3–4, 2016 |
| Rex W. Tillerson | San Carlos de Bariloche, Buenos Aires | Met with President Mauricio Macri and Foreign Minister Jorge Faurie. | February 3–4, 2018 |
| Michael R. Pompeo | Buenos Aires | Supported President Trump’s participation in the G20 Leaders’ Summit. | November 29–December 1, 2018 |
| Michael R. Pompeo | Buenos Aires | Joined regional leaders for the Second Western Hemisphere Counterterrorism
Ministerial. | July 19, 2019 |
