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Principal Officers and Chiefs of Mission, by Name: t

Note: Career Foreign Service appointees are asterisked.

  • Tsakopoulos Kounalakis, Eleni (1966-)
    • Ambassador Extraordinary and Plenipotentiary, Hungary (2009-2010)
  • Taft, Alphonso (1810-1891)
    • Envoy Extraordinary and Minister Plenipotentiary, Austria (1882-1884)
    • Envoy Extraordinary and Minister Plenipotentiary, Russia (1884-1885)
  • Taft, Julia Vadala (1942-)
    • Assistant Secretary of State for Population, Refugees, and Migration Affairs (1997-2001)
  • Taft, William Howard (1915-1991)
    • Ambassador Extraordinary and Plenipotentiary, Ireland (1953-1957)
  • Taft, William Howard (1945-)
    • U.S. Permanent Representative on the Council of the North Atlantic Treaty Organization (1989-1992)
    • Legal Adviser (2001)
  • Talbot, Phillips (1915-2010)
    • Assistant Secretary of State for Near Eastern Affairs (1961-1965)
    • Ambassador Extraordinary and Plenipotentiary, Greece (1965-1969)
  • Talbott, Strobe (Nelson Strobridge) (1946-)
    • Ambassador at Large (1993-1994)
    • Deputy Secretary of State (1994-2001)
  • Tambs, Lewis Arthur (1927-)
    • Ambassador Extraordinary and Plenipotentiary, Colombia (1983-1985)
    • Ambassador Extraordinary and Plenipotentiary, Costa Rica (1985-1987)
  • Tamposi, Elizabeth M. (1955-)
    • Assistant Secretary of State for Consular Affairs (1989-1992)
  • Tape, Gerald Frederick (1915-2005)
    • Representative of the U.S.A. to the International Atomic Energy Agency (Vienna) (1973-1977)
  • Tappin, John Lindsley (1906-1964)
    • Ambassador Extraordinary and Plenipotentiary, Libya (1954-1958)
  • *Tarnoff, Peter (1937-)
    • Executive Secretaries (1977-1981)
    • Under Secretary of State for Political Affairs (1993-1997)
  • Tarr, Curtis William (1924-)
    • Under Secretary of State for Arms Control and International Security Affairs (1972-1973)
  • Tarullo, Daniel K. (1952-)
    • Assistant Secretary of State for Economic, Energy, and Business Affairs (1993-1996)
  • *Tasca, Henry Joseph (1912-1979)
    • Ambassador Extraordinary and Plenipotentiary, Morocco (1965-1969)
    • Ambassador Extraordinary and Plenipotentiary, Greece (1969-1974)
  • Taubman, Nicholas F. (1935-)
    • Ambassador Extraordinary and Plenipotentiary, Romania (2005-2008)
  • Tauscher, Ellen O. (?-)
    • Under Secretary of State for Arms Control and International Security Affairs (2009-2012)
  • Taylor, Bayard (1825-1878)
    • Envoy Extraordinary and Minister Plenipotentiary, Germany (1878)
  • Taylor, Charles Henry James (1857-1898)
    • Minister Resident/Consul General, Lesotho (1887)
  • *Taylor, Clyde D. (1937-)
    • Ambassador Extraordinary and Plenipotentiary, Paraguay (1985-1988)
  • Taylor, Francis Xavier (1948-)
    • Ambassador at Large (2001)
    • Director of the Bureau of Counterterrorism (2001-2002)
    • Ambassador at Large (2001-2004)
    • Assistant Secretary of State for Diplomatic Security (2002-2005)
    • Director of the Office of Foreign Missions (2002-2005)
  • Taylor, George (?-?)
    • Chief Clerk (1792-1798)
  • Taylor, Hannis (1851-1922)
    • Envoy Extraordinary and Minister Plenipotentiary, Spain (1893-1897)
  • Taylor, Henry Junior (1902-1984)
    • Ambassador Extraordinary and Plenipotentiary, Switzerland (1957-1961)
  • *Taylor, Henry Landes (1918-)
    • Chargé d'Affaires ad interim, Panama (1964)
  • *Taylor, John Jackson (1931-)
    • Chargé d'Affaires ad interim, Cuba ((Sep 1987-Sep 1990))
  • Taylor, Joseph Z. (1927-)
    • Deputy Inspector General of Foreign Assistance (1976-1977)
  • *Taylor, Lawrence Palmer (1940-)
    • Director of the Foreign Service Institute (1992-1995)
    • Ambassador Extraordinary and Plenipotentiary, Estonia (1995-1997)
  • Taylor, Maxwell Davenport (1901-1987)
    • Ambassador Extraordinary and Plenipotentiary, Vietnam, South (1964-1965)
  • Taylor, Myron Charles (1874-1959)
    • no-label-found for in /db/cms/apps/principals-chiefs/code-tables/roles/data, Holy See (1939 Personal Representative, Vatican City)
    • no-label-found for in /db/cms/apps/principals-chiefs/code-tables/roles/data, Holy See (1946 Personal Representative, Vatican City)
  • *Taylor, Paul D. (1939-)
    • Ambassador Extraordinary and Plenipotentiary, Dominican Republic (1988-1992)
  • *Taylor, Rush Walker (1934-)
    • Ambassador Extraordinary and Plenipotentiary, Togo (1988-1990)
  • *Taylor, Teddy Bernard (1953-)
    • Ambassador Extraordinary and Plenipotentiary, Papua New Guinea (2009)
    • Ambassador Extraordinary and Plenipotentiary, Solomon Islands (2009)
    • Ambassador Extraordinary and Plenipotentiary, Vanuatu (2009-2010)
  • *Taylor, William B. (1947-)
    • Ambassador Extraordinary and Plenipotentiary, Ukraine (2006-2009)
  • *Teare, Richard W. (1937-)
    • Ambassador Extraordinary and Plenipotentiary, Papua New Guinea (1993-1996)
    • Ambassador Extraordinary and Plenipotentiary, Solomon Islands (1993-1996)
    • Ambassador Extraordinary and Plenipotentiary, Vanuatu (1993-1996)
  • Teegan, Evelyn Irene Hoopes (1931-)
    • Ambassador Extraordinary and Plenipotentiary, Fiji (1980-1993)
    • Ambassador Extraordinary and Plenipotentiary, Kiribati (1989-1990)
    • Ambassador Extraordinary and Plenipotentiary, Tonga (1989-1993)
    • Ambassador Extraordinary and Plenipotentiary, Tuvalu (1989-1993)
  • Teeley, Peter Barry (1940-)
    • Ambassador Extraordinary and Plenipotentiary, Canada (1992-1993)
  • *Tefft, John F. (1949-)
    • Ambassador Extraordinary and Plenipotentiary, Lithuania (2000-2003)
    • Ambassador Extraordinary and Plenipotentiary, Georgia (2005-2009)
    • Ambassador Extraordinary and Plenipotentiary, Ukraine (2009)
  • *Teitelbaum, Donald Gene (1963-)
    • Ambassador Extraordinary and Plenipotentiary, Ghana (2008)
  • Telles, Raymond L. (1915-)
    • Ambassador Extraordinary and Plenipotentiary, Costa Rica (1961-1967)
  • Terpeluk, Peter (1948-2011)
    • Ambassador Extraordinary and Plenipotentiary, Luxembourg (2002-2005)
  • Terra, Daniel James (1911-1996)
    • Ambassador at Large (1981-1989)
  • Terrell, Alexander Watkins (1827-1912)
    • Envoy Extraordinary and Minister Plenipotentiary, Turkey (1893-1897)
  • Terrell, Edwin Holland (1848-1910)
    • Envoy Extraordinary and Minister Plenipotentiary, Belgium (1889-1893)
  • *Tewksbury, Howard Hobson (1895-1991)
    • Ambassador Extraordinary and Plenipotentiary, Paraguay (1950-1952)
  • *Thacher, Nicholas Gilman (1919-2002)
    • Ambassador Extraordinary and Plenipotentiary, Saudi Arabia (1970-1973)
  • *Thayer, Charles Wheeler (1910-1969)
    • Chargé d'Affaires ad interim, Afghanistan (Legation Kabul was opened Jun 6, 1942 with Charles W. Thayer as Chargé d'Affaires ad interim. )
  • *Thayer, Harry E.T. (1927-)
    • Ambassador Extraordinary and Plenipotentiary, Singapore (1980-1984)
  • Thayer, Robert Helyer (1901-1984)
    • Envoy Extraordinary and Minister Plenipotentiary, Romania (1955-1957)
  • Thayer, Samuel Richard (1837-1909)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1889-1893)
  • Thayer, William Sydney (1830-1864)
    • Chargé d'Affaires ad interim, Egypt (commissioned as Consul General only and used only his consular title. Thayer was commissioned Mar 20, 1861; assumed charge, Jul 1, 1861; and died at post, Apr 10, 1864.)
  • Theberge, James Daniel (1930-1988)
    • Ambassador Extraordinary and Plenipotentiary, Nicaragua (1975-1977)
    • Ambassador Extraordinary and Plenipotentiary, Chile (1982-1985)
  • *Theros, Patrick Nickolas (1941-)
    • Ambassador Extraordinary and Plenipotentiary, Qatar (1995-1998)
  • *Thessin, James H. (1948-)
    • Ambassador Extraordinary and Plenipotentiary, Paraguay (2011)
  • Thomas, Allen (1830-1907)
    • Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1895-1897)
  • *Thomas, Charles H. (1934-1998)
    • Ambassador Extraordinary and Plenipotentiary, Hungary (1990-1994)
  • Thomas, Francis (1799-1876)
    • Envoy Extraordinary and Minister Plenipotentiary, Peru (1872-1875)
  • Thomas, Gerald Eustis (1929-)
    • Ambassador Extraordinary and Plenipotentiary, Guyana (1981-1983)
    • Ambassador Extraordinary and Plenipotentiary, Kenya (1983-1989)
  • *Thomas-Greenfield, Linda (1952-)
    • Ambassador Extraordinary and Plenipotentiary, Liberia (2008)
    • Director General of the Foreign Service (2012)
  • *Thomas, Harry Keels (1956-)
    • Ambassador Extraordinary and Plenipotentiary, Bangladesh (2003-2005)
    • Executive Secretaries (2005-2007)
    • Director General of the Foreign Service (2007-2009)
    • Ambassador Extraordinary and Plenipotentiary, Philippines (2010)
  • Thomas, John Addison (1811-1858)
    • Assistant Secretary of State (1855-1857)
  • *Thomas, John Morgan (1926-)
    • Assistant Secretary of State for Administration (1973-1979)
  • Thomas, Jon R. (1946-)
    • Assistant Secretary of State for International Narcotics and Law Enforcement Affairs (1984-1986)
  • *Thomas, William Wayt (1925-)
    • Chargé d'Affaires ad interim, Laos (no date on record)
  • Thomas, William Widgery (1839-1927)
    • Minister Resident, Sweden (1883-1885)
    • Envoy Extraordinary and Minister Plenipotentiary, Sweden (1889-1894)
    • Envoy Extraordinary and Minister Plenipotentiary, Sweden (1898-1905)
  • Thompson, David Eugene (1854-1942)
    • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1902)
    • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1902-1903)
    • Ambassador Extraordinary and Plenipotentiary, Brazil (1905)
    • Ambassador Extraordinary and Plenipotentiary, Mexico (1906-1909)
  • Thompson, David Preston (1834-1901)
    • Envoy Extraordinary and Minister Plenipotentiary, Turkey (1892-1893)
  • *Thompson, Joanne M. (1937-)
    • Chargé d'Affaires ad interim, Equatorial Guinea (the Embassy in Malabo was reestablished Jun 11, 1981 with Joanne Thompson as Chargé d'Affaires ad interim.)
  • Thompson, John E. W. (1855-?)
    • Chargé d'Affaires, Dominican Republic (1885)
    • Minister Resident/Consul General, Haiti (1885-1889)
  • *Thompson, Llewellyn E. (1904-1972)
    • Ambassador Extraordinary and Plenipotentiary, Austria (1952-1957)
    • Ambassador Extraordinary and Plenipotentiary, Russia (1957-1962)
    • Ambassador Extraordinary and Plenipotentiary, Russia (1966-1969)
    • Career Ambassador (1960)
    • Ambassador at Large (1962-1966)
  • Thompson, Thomas Larkin (1838-1898)
    • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1893-1897)
  • *Thompson, Tyler (1907-)
    • Ambassador Extraordinary and Plenipotentiary, Iceland (1960-1961)
    • Director General of the Foreign Service (1961-1964)
    • Ambassador Extraordinary and Plenipotentiary, Finland (1964-1969)
  • *Thompson, W. Kenneth (1939-)
    • Chargé d'Affaires, Dominican Republic (1885)
    • Minister Resident/Consul General, Haiti (1885-1889)
  • Thompson, Waddy (1798-1868)
    • Envoy Extraordinary and Minister Plenipotentiary, Mexico (1842)
  • *Thomsen, Samuel B. (1931-)
    • Representative, Marshall Islands (1987-1990)
  • Thomson, Thaddeus Austin (1853-1927)
    • Envoy Extraordinary and Minister Plenipotentiary, Colombia (1913-1916)
  • Thorne, David H. (1944-)
    • Ambassador Extraordinary and Plenipotentiary, Italy (2009)
    • Ambassador Extraordinary and Plenipotentiary, San Marino (2009)
  • Thornton, James B. (1801-1838)
    • Chargé d'Affaires, Peru (1836-1837)
  • *Thornton, Michael E. (?-)
    • Chargé d'Affaires ad interim, Burma (no date on record)
  • Thorp, Willard Long (1899-1992)
    • Assistant Secretary of State for Economic, Energy, and Business Affairs (1946-1952)
  • Throop, Enos Thompson (1784-1874)
    • Chargé d'Affaires, Two Sicilies (1838-1841)
  • Thummalapally, Vinai K. (1954-)
    • Ambassador Extraordinary and Plenipotentiary, Belize (2009)
  • *Thurston, Raymond LeRoy (1913-1981)
    • Ambassador Extraordinary and Plenipotentiary, Haiti (1961-1962)
    • Ambassador Extraordinary and Plenipotentiary, Somalia (1965-1968)
  • *Thurston, Walter Clarence (1894-1974)
    • Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1942-1943)
    • Ambassador Extraordinary and Plenipotentiary, El Salvador (1943-1944)
    • Ambassador Extraordinary and Plenipotentiary, Bolivia (1944-1946)
    • Ambassador Extraordinary and Plenipotentiary, Mexico (1946-1950)
  • *Tibbetts, Margaret Joy (1919-2010)
    • Ambassador Extraordinary and Plenipotentiary, Norway (1964-1969)
  • Tichenor, Warren W. (1960-)
    • Representative of the U.S.A. to the European Office of the United Nations (Geneva) (2006)
  • *Tienken, Arthur T. (1922-2006)
    • Ambassador Extraordinary and Plenipotentiary, Sao Tome and Principe (1978-1981)
    • Ambassador Extraordinary and Plenipotentiary, Gabon (1978-1981)
  • Tillman, James Davidson (1841-?)
    • Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1895-1897)
  • *Timberlake, Clare Hayes (1907-1982)
    • Ambassador Extraordinary and Plenipotentiary, Congo, Democratic Republic of the (1960-1961)
  • Timken, William Robert (1938-)
    • Ambassador Extraordinary and Plenipotentiary, Germany (2005-2008)
  • *Timmons, Benson Ellison Lane (1916-1997)
    • Ambassador Extraordinary and Plenipotentiary, Haiti (1963-1967)
  • *Tims, Richard Womser (1912-1996)
    • Chargé d'Affaires ad interim, Hungary ((Sep 1966-Oct 1967). Tims was serving as Chargé d'Affaires ad interim when Legation Budapest was raised to Embassy status Nov 28, 1966.)
  • *Tittmann, Harold Hilgard (1893-1980)
    • Chargé d'Affaires, Holy See (1941-1944)
    • Ambassador Extraordinary and Plenipotentiary, Haiti (1946-1948)
    • Ambassador Extraordinary and Plenipotentiary, Peru (1948-1955)
  • Tobin, Richard Montgomery (1866-1952)
    • Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1923)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1923)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1923-1929)
  • Tobriner, Walter Nathan (1902-1979)
    • Ambassador Extraordinary and Plenipotentiary, Jamaica (1967-1969)
  • Tod, David (1805-1868)
    • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1847-1851)
  • Todd, Charles Stewart (1791-1871)
    • Envoy Extraordinary and Minister Plenipotentiary, Russia (1841-1846)
  • Todd, Webster B. (1938-)
    • Inspector General of Foreign Assistance (1974-1976)
  • Todd, William Edward (1961-)
    • Ambassador Extraordinary and Plenipotentiary, Brunei (2008-2010)
    • Ambassador Extraordinary and Plenipotentiary, Cambodia (2012)
  • *Todman, Terence Alphonso (1926-)
    • Ambassador Extraordinary and Plenipotentiary, Chad (1969-1972)
    • Ambassador Extraordinary and Plenipotentiary, Guinea (1972-1975)
    • Ambassador Extraordinary and Plenipotentiary, Costa Rica (1974-1977)
    • Assistant Secretary of State for Western Hemisphere Affairs (1977-1978)
    • Ambassador Extraordinary and Plenipotentiary, Spain (1978-1983)
    • Ambassador Extraordinary and Plenipotentiary, Denmark (1983-1989)
    • Ambassador Extraordinary and Plenipotentiary, Argentina (1989-1993)
    • Career Ambassador (1989)
  • *Tomlinson, John Doren (1903-)
    • Chargé d'Affaires ad interim, Congo, Republic of the (The Embassy in Leopoldville (now Kinshasha) was established on Jun 30, 1960, with John D. Tomlinson as Chargé d'Affaires ad interim.)
  • *Tomsen, Peter (1940-)
    • Ambassador Extraordinary and Plenipotentiary, Armenia (1995-1998)
  • *Tomseth, Victor L. (1941-)
    • Ambassador Extraordinary and Plenipotentiary, Laos (1993-1996)
  • *Toon, Malcolm (1916-2009)
    • Ambassador Extraordinary and Plenipotentiary, Czechoslovakia (1969-1971)
    • Ambassador Extraordinary and Plenipotentiary, Yugoslavia (1971-1975)
    • Ambassador Extraordinary and Plenipotentiary, Israel (1975-1976)
    • Ambassador Extraordinary and Plenipotentiary, Russia (1976-1979)
  • Torbert, Alfred Thomas Archimedes (1833-1880)
    • Minister Resident, El Salvador (1869-1871)
  • *Torbert, Horace Gates (1911-2008)
    • Ambassador Extraordinary and Plenipotentiary, Somalia (1962-1965)
    • Ambassador Extraordinary and Plenipotentiary, Bulgaria (1970-1973)
    • Chargé d'Affaires ad interim, Hungary (no date on record)
  • Torres, Esteban Edward (1930-)
    • U.S. Permanent Representative to the United Nations Educational, Scientific and Cultural Organization (1978-1979)
  • *Totten, Ralph James (1877-1949)
    • Minister Resident/Consul General, South Africa (1929-1930)
    • Envoy Extraordinary and Minister Plenipotentiary, South Africa (1930-1937)
  • *Toussaint, Donald R. (1927-1986)
    • Ambassador Extraordinary and Plenipotentiary, Sri Lanka (1979-1982)
    • Ambassador Extraordinary and Plenipotentiary, Maldives (1979-1982)
  • Towell, Timothy Lathrop (1934-)
    • Ambassador Extraordinary and Plenipotentiary, Paraguay (1988-1991)
  • Tower, Charlemagne (1848-1923)
    • Envoy Extraordinary and Minister Plenipotentiary, Austria (1897-1899)
    • Ambassador Extraordinary and Plenipotentiary, Russia (1899-1902)
    • Ambassador Extraordinary and Plenipotentiary, Germany (1902-1908)
  • Townsend, Lawrence (1860-1954)
    • Envoy Extraordinary and Minister Plenipotentiary, Portugal (1897-1899)
    • Envoy Extraordinary and Minister Plenipotentiary, Belgium (1899-1905)
  • *Tracy, Thomas M. (1936-)
    • Assistant Secretary of State for Administration (1979-1983)
  • *Trail, George Arthur (1936-)
    • Ambassador Extraordinary and Plenipotentiary, Malawi (1988-1991)
  • *Travers, Howard Karl (1893-1976)
    • Ambassador Extraordinary and Plenipotentiary, Haiti (1951-1952)
  • Tree, Lambert (1832-1910)
    • Minister Resident, Belgium (1885)
    • Envoy Extraordinary and Minister Plenipotentiary, Belgium (1888)
    • Envoy Extraordinary and Minister Plenipotentiary, Russia (1888-1889)
  • Trescot, William Henry (1822-1898)
    • Assistant Secretary of State (1860)
  • Trezise, Philip Harold (1912-2001)
    • Representative of the U.S.A. to the Organization for Economic Cooperation and Development (Paris) (1965-1969)
    • Assistant Secretary of State for Economic, Energy, and Business Affairs (1969-1971)
  • Trimble, Philip R. (1937-)
    • Ambassador Extraordinary and Plenipotentiary, Nepal (1980-1981)
  • *Trimble, William Cattell (1907-1996)
    • Ambassador Extraordinary and Plenipotentiary, Cambodia (1959-1962)
  • Tripp, Bartlett (1842-1911)
    • Envoy Extraordinary and Minister Plenipotentiary, Austria (1893-1897)
  • Trist, Nicholas Philip (1800-1874)
    • Chief Clerk (1845-1847)
  • *Trivelli, Paul A. (1953-)
    • Ambassador Extraordinary and Plenipotentiary, Nicaragua (2005-2008)
  • Trousdale, William (1790-1872)
    • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1853-1857)
  • *Troxel, Oliver Leonard (1919-)
    • Ambassador Extraordinary and Plenipotentiary, Zambia (1969-1972)
  • *Trueheart, William Clyde (1918-1992)
    • Ambassador Extraordinary and Plenipotentiary, Nigeria (1969-1971)
  • Tubby, Roger Wellington (1910-1991)
    • Assistant Secretary of State for Public Affairs (1961-1962)
    • Representative of the U.S.A. to the European Office of the United Nations (Geneva) (1967-1969)
  • *Tuck, Somerville Pinkney (1891-1967)
    • Envoy Extraordinary and Minister Plenipotentiary, Egypt (1944)
    • Ambassador Extraordinary and Plenipotentiary, Egypt (1946-1948)
    • Chargé d'Affaires ad interim, France (was serving as Chargé d'Affaires ad interim when France severed diplomatic relations with the U.S., Nov 8, 1942.)
  • Tuckerman, Charles Keating (1827-1896)
    • Minister Resident, Greece (1868-1871)
  • Tudor, William (1779-1830)
    • Chargé d'Affaires, Brazil (1827-1830)
  • *Tueller, Matthew Haywood (?-)
    • Ambassador Extraordinary and Plenipotentiary, Kuwait (2011)
  • Tufo, Peter Francis (1938-)
    • Ambassador Extraordinary and Plenipotentiary, Hungary (1997-2001)
  • *Tull, Theresa Anne (1936-)
    • Ambassador Extraordinary and Plenipotentiary, Guyana (1987-1990)
    • Ambassador Extraordinary and Plenipotentiary, Brunei (1993-1996)
    • Chargé d'Affaires ad interim, Laos (no date on record)
  • Turner, James Milton (1840-1915)
    • Minister Resident/Consul General, Liberia (1871-1878)
  • Turner, John F. (1942-)
    • Assistant Secretary of State for Oceans and International Environmental and Scientific Affairs (2001-2005)
  • Turner, William Cochrane (1929-2010)
    • Representative of the U.S.A. to the Organization for Economic Cooperation and Development (Paris) (1974-1977)
  • Turpin, Edward A. (?-?)
    • Minister Resident, Venezuela (1858-1861)
  • *Tuthill, John Wills (1910-1996)
    • Representative of the U.S.A. to the Organization for Economic Cooperation and Development (Paris) (1961-1962)
    • Representative of the U.S.A. to the European Union, with the rank and status of Ambassador Extraordinary and Plenipotentiary (1962-1966)
    • Ambassador Extraordinary and Plenipotentiary, Brazil (1966-1969)
  • Tuttle, Robert H. (1947-)
    • Ambassador Extraordinary and Plenipotentiary, uk (2005-2009)
  • Tutwiler, Margaret DeBardeleben (1950-)
    • Assistant Secretary of State for Public Affairs (1989-1992)
    • Ambassador Extraordinary and Plenipotentiary, Morocco (2001-2003)
    • Under Secretary of State for Public Diplomacy and Public Affairs (2003-2004)
  • *Twaddell, William H. (1941-)
    • Ambassador Extraordinary and Plenipotentiary, Mauritania (1988-1991)
    • Ambassador Extraordinary and Plenipotentiary, Nigeria (1997-2000)
  • *Twinam, Joseph Wright (1934-2001)
    • Ambassador Extraordinary and Plenipotentiary, Bahrain (1974-1976)
  • *Twining, Charles H. (1940-)
    • Ambassador Extraordinary and Plenipotentiary, Cambodia (1994-1995)
    • Ambassador Extraordinary and Plenipotentiary, Cameroon (1995-1998)
    • Ambassador Extraordinary and Plenipotentiary, Equatorial Guinea (1995-1998)
  • *Tyler, William Royall (1910-2003)
    • Assistant Secretary of State for European and Eurasian Affairs (1962-1965)
    • Ambassador Extraordinary and Plenipotentiary, Netherlands (1965-1969)