List of ambassadors of the United States to Paraguay


The following is a list of United States ambassadors, or other chiefs of mission, to Paraguay. The title given by the United States State Department to this position is currently Ambassador Extraordinary and Minister Plenipotentiary.
RepresentativeTitlePresentation
of credentials		Termination
of mission		Appointed by
Charles Ames WashburnCommissionerNovember 26, 1861May 13, 1863Abraham Lincoln
Charles Ames WashburnMinister ResidentMay 13, 1863September 10, 1868Abraham Lincoln
Martin T. McMahonMinister ResidentDecember 12, 1868June 21, 1869Andrew Johnson
John L. StevensMinister ResidentAugust 26, 1870May 19, 1873Ulysses S. Grant
John C. CaldwellMinister ResidentDecember 15, 1874October 6, 1876Ulysses S. Grant
John C. CaldwellChargé d'AffairesOctober 6, 1876July 10, 1882Ulysses S. Grant
William WilliamsChargé d'AffairesAugust 26, 1882July 21, 1885Chester A. Arthur
John E. BaconChargé d'AffairesSeptember 16, 1885October 23, 1888Grover Cleveland
John E. BaconMinister ResidentOctober 23, 1888December 26, 1888Grover Cleveland
George ManeyMinister ResidentMay 19, 1890August 1891Benjamin Harrison
George ManeyEnvoy Extraordinary and Minister PlenipotentiaryAugust 1891June 30, 1894Benjamin Harrison
Granville StuartEnvoy Extraordinary and Minister PlenipotentiarySeptember 6, 1894January 4, 1898Grover Cleveland
William R. FinchEnvoy Extraordinary and Minister PlenipotentiaryAugust 3, 1898May 29, 1905William McKinley
Edward C. O'BrienEnvoy Extraordinary and Minister PlenipotentiaryAugust 5, 1905October 10, 1909Theodore Roosevelt
Edwin V. MorganEnvoy Extraordinary and Minister PlenipotentiaryJune 29, 1910July 8, 1911William H. Taft
Nicolai A. GrevstadEnvoy Extraordinary and Minister PlenipotentiaryOctober 30, 1911February 19, 1914William H. Taft
Daniel F. MooneyEnvoy Extraordinary and Minister PlenipotentiaryMay 13, 1914June 13, 1921Woodrow Wilson
William J. O'TooleEnvoy Extraordinary and Minister PlenipotentiaryApril 3, 1922February 21, 1924Warren G. Harding
George L. KreeckEnvoy Extraordinary and Minister PlenipotentiaryJuly 22, 1925February 5, 1930Calvin Coolidge
Post WheelerEnvoy Extraordinary and Minister PlenipotentiaryFebruary 12, 1930April 17, 1933Herbert Hoover
Meredith NicholsonEnvoy Extraordinary and Minister PlenipotentiaryOctober 30, 1933February 3, 1935Franklin D. Roosevelt
Findley B. HowardEnvoy Extraordinary and Minister PlenipotentiaryOctober 14, 1935January 16, 1941Franklin D. Roosevelt
Wesley FrostEnvoy Extraordinary and Minister PlenipotentiaryApril 30, 1941April 15, 1942Franklin D. Roosevelt
Wesley FrostAmbassador Extraordinary and PlenipotentiaryApril 15, 1942May 28, 1944Franklin D. Roosevelt
Willard L. BeaulacAmbassador Extraordinary and PlenipotentiarySeptember 13, 1944May 28, 1947Franklin D. Roosevelt
Fletcher WarrenAmbassador Extraordinary and PlenipotentiaryOctober 8, 1947July 25, 1950Harry S. Truman
Howard H. TewksburyAmbassador Extraordinary and PlenipotentiaryJanuary 9, 1951February 16, 1952Harry S. Truman
George P. ShawAmbassador Extraordinary and PlenipotentiaryJuly 1, 1952October 31, 1953Harry S. Truman
Arthur A. AgetonAmbassador Extraordinary and PlenipotentiarySeptember 9, 1954April 10, 1957Dwight D. Eisenhower
Walter C. PloeserAmbassador Extraordinary and PlenipotentiaryNovember 6, 1957September 12, 1959Dwight D. Eisenhower
Harry F. Stimpson, Jr.Ambassador Extraordinary and PlenipotentiaryOctober 23, 1959March 12, 1961Dwight D. Eisenhower
William P. SnowAmbassador Extraordinary and PlenipotentiaryAugust 4, 1961June 15, 1967John F. Kennedy
Benigno C. HernándezAmbassador Extraordinary and PlenipotentiaryAugust 9, 1967July 15, 1969Lyndon B. Johnson
J. Raymond YlitaloAmbassador Extraordinary and PlenipotentiaryAugust 14, 1969September 11, 1972Richard Nixon
George W. LandauAmbassador Extraordinary and PlenipotentiaryOctober 13, 1972October 14, 1977Richard Nixon
Robert E. WhiteAmbassador Extraordinary and PlenipotentiaryNovember 30, 1977January 27, 1980Jimmy Carter
Lyle Franklin LaneAmbassador Extraordinary and PlenipotentiarySeptember 9, 1980May 21, 1982Jimmy Carter
Arthur H. Davis, Jr.Ambassador Extraordinary and PlenipotentiaryAugust 6, 1982September 28, 1985Ronald Reagan
Clyde D. TaylorAmbassador Extraordinary and PlenipotentiaryNovember 12, 1985September 2, 1988Ronald Reagan
Timothy Lathrop TowellAmbassador Extraordinary and PlenipotentiarySeptember 26, 1988April 27, 1991Ronald Reagan
Jon David GlassmanAmbassador Extraordinary and PlenipotentiaryAugust 8, 1991May 3, 1994George H. W. Bush
Robert Edward ServiceAmbassador Extraordinary and PlenipotentiaryNovember 18, 1994October 7, 1997Bill Clinton
Maura HartyAmbassador Extraordinary and PlenipotentiaryOctober 22, 1997May 30, 1999Bill Clinton
David N. GreenleeAmbassador Extraordinary and PlenipotentiaryJuly 19, 2000January 15, 2003Bill Clinton
John F. KeaneAmbassador Extraordinary and PlenipotentiaryFebruary 11, 2003October 27, 2005George W. Bush
James Caldwell CasonAmbassador Extraordinary and PlenipotentiaryFebruary 1, 2006August 2, 2008George W. Bush
Liliana AyaldeAmbassador Extraordinary and PlenipotentiaryAugust 11, 2008August 5, 2011George W. Bush
James H. ThessinAmbassador Extraordinary and PlenipotentiarySeptember 30, 2011August 2, 2014Barack Obama
Leslie A. BassettAmbassador Extraordinary and PlenipotentiaryJanuary 15, 2015January 31, 2017Barack Obama
M. Lee McClennyAmbassador Extraordinary and PlenipotentiaryFebruary 20, 2018September 16, 2020Donald Trump
Joseph SalazarChargé d'AffairesSeptember 16, 2020March 9, 2022Donald Trump
Joe Biden
Marc OstfieldAmbassador Extraordinary and PlenipotentiaryMarch 9, 2022January 20, 2025Joe Biden
Amir P. MasliyahChargé d'AffairesJanuary 21, 2025July 15, 2025Donald Trump
Robert AlterChargé d'AffairesJuly 15, 2025IncumbentDonald Trump

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