| John Foster Dulles | Bangkok | Attended First Meeting of the SEATO Ministerial Council. | February 22–26, 1955 |
| John Foster Dulles | Bangkok | Met with Premier Pibul and senior Thai officials. | March 13–14, 1956 |
| David Dean Rusk | Bangkok | Attended the Seventh Annual Meeting of the SEATO Council of Ministers. | March 26–30, 1961 |
| David Dean Rusk | Bangkok | Met with Prime MinisterKittikachorn and Foreign Minister Khoman. | May 31, 1964 |
| David Dean Rusk | Bangkok | Met with senior Thai officials. | January 14, 1966 |
| David Dean Rusk | Bangkok | Accompanied President Johnson on a State visit. | October 27–30, 1966 |
| David Dean Rusk | Bangkok | Met with Foreign Minister Khoman and senior Thai officials. | December 11–12, 1966 |
| William Pierce Rogers | Bangkok | Attended the SEATO Council and Seven-Nation Meetings. | May 19–23, 1969 |
| George Pratt Shultz | Bangkok | Addressed the opening session of the ASEAN Post- Ministerial Meeting. | June 26–29, 1983 |
| George Pratt Shultz | Bangkok | Met with Prime Minister Prem and senior Thai officials. Also visited Cambodian
refugee camps on the Thai border. | July 8–10, 1985 |
| George Pratt Shultz | Bangkok | Attended the ASEAN Post-Ministerial Conference. | July 6–9, 1988 |
| Warren Minor Christopher | Bangkok | Met with senior Thai officials. | November 16–17, 1994 |
| Madeleine Korbel Albright | Chiang Mai, Bangkok | Visited the Hill Tribes Institute in Chiang Mai; met with senior Thai
officials. | March 2–4, 1999 |
| Madeleine Korbel Albright | Bangkok | Attended ASEAN Regional Forum and Post-Ministerial Conference; met with North
Korean Foreign Minister Paek Nam Sun. | July 28–29, 2000 |
| Colin Luther Powell | Bangkok | Met with Foreign Minister Sathirathai. | July 28–29, 2002 |
| Colin Luther Powell | Bangkok | Attended the APEC Summit Meeting. | October 17–21, 2003 |
| Colin Luther Powell | Bangkok, Phuket | Assessed tsunami damage and relief efforts. | January 3–4, 2005 |
| Condoleezza Rice | Phuket, Ban Bang Sak | Met with Foreign Minister Suphamongkhon and Deputy Prime Minister Sathirathai and
assessed tsunami relief aid. | July 10–11, 2005 |
| Hillary Rodham Clinton | Bangkok, Phuket | Met with Prime Minister Abhisit and Foreign Minister Kasit. Attended the ASEAN
Post-Ministerial Conference and Regional Forum in Phuket. | July 21–23, 2009 |
| Hillary Rodham Clinton | Bangkok | Met with Prime Minister Yingluck Shinawatra. Announced flood recovery
assistance. | November 16–17, 2011 |
| Hillary Rodham Clinton | Bangkok | Met with President Yingluck Chinnawat. Joined President Obama. | November 18–19, 2012 |
| Rex W. Tillerson | Bangkok | Met with Prime Minister Prayut Chan-o-Cha and Foreign Minister Don
Pramudwinai. | August 8, 2017 |
| Michael R. Pompeo | Bangkok | Co-chaired the U.S.-Association of Southeast Asian Nations (ASEAN) Ministerial and
held a bilateral meeting with Foreign Minister Don Pramudwinai. | August 1–2, 2019 |
| Antony Blinken | Bangkok | Met with Prime Minister Prayut Chan-o-cha and Deputy Prime Minister and Foreign
Minister Don Pramudwinai. | July 9–11, 2022 |
| Antony Blinken | Bangkok | Attended an APEC Ministerial Meeting and supported Vice President Kamala Harris’s
participation in APEC Economic Leaders’ Week. | November 16–17, 2022 |
