List of ambassadors of the United States to Canada

This is a list of ambassadors of the United States to Canada.^[2] The ambassador is the head of the Embassy of the United States in Ottawa.

Ambassador of the United States to Canada
Ambassadeur des États-Unis au Canada
Seal of the United States Department of State
Flag of a United States ambassador
Incumbent Pete Hoekstra since April 29, 2025[1]
United States Department of State
Reports to	United States Secretary of State
Residence	Lornado
Seat	Embassy of the United States Ottawa, Ontario, Canada
Appointer	President of the United States with Senate advice and consent
Term length	At the pleasure of the president
Inaugural holder	William Phillips (as Envoy Extraordinary and Minister Plenipotentiary)
Formation	June 1, 1927
Website	U.S. Embassy – Ottawa

Prior to 1943, the head of the U.S. diplomatic mission to Canada bore the title of Envoy Extraordinary and Minister Plenipotentiary. The U.S. mission to Canada was upgraded from legation to embassy status in June 1943; Ray Atherton was the first chief of mission to hold ambassadorial rank.

List

#	Ambassador	Portrait	Took office	Left office	President(s)
1	William Phillips		June 1, 1927	December 14, 1929	Calvin Coolidge, Herbert Hoover
2	Hanford MacNider		August 29, 1930	August 15, 1932	Herbert Hoover
3	Warren Delano Robbins		May 16, 1933	March 28, 1935	Franklin D. Roosevelt
4	Norman Armour		August 7, 1935	January 15, 1939
5	Daniel Calhoun Roper		May 19, 1939	August 20, 1939
6	James H. R. Cromwell		January 24, 1940	May 16, 1940
7	Jay Pierrepont Moffat		June 13, 1940	January 24, 1943
8	Ray Atherton		August 3, 1943	August 30, 1948	Franklin D. Roosevelt, Harry S. Truman
9	Laurence Steinhardt		November 1, 1949	March 28, 1950	Harry S. Truman
10	Stanley Woodward		June 22, 1950	January 14, 1953
11	R. Douglas Stuart		July 15, 1953	May 4, 1956	Dwight D. Eisenhower
12	Livingston T. Merchant		May 23, 1956	November 6, 1958
13	Richard B. Wigglesworth		December 15, 1958	October 19, 1960
14	Livingston T. Merchant		March 15, 1961	May 26, 1962	John F. Kennedy
15	William Walton Butterworth		December 11, 1962	September 10, 1968	John F. Kennedy, Lyndon B. Johnson
16	Harold F. Linder		September 10, 1968	July 9, 1969	Lyndon B. Johnson, Richard M. Nixon
17	Adolph W. Schmidt		September 11, 1969	January 29, 1974	Richard M. Nixon
18	William J. Porter		March 13, 1974	December 16, 1975	Richard M. Nixon, Gerald R. Ford
19	Thomas O. Enders		February 17, 1976	September 14, 1979	Gerald R. Ford, Jimmy Carter
20	Kenneth M. Curtis		October 5, 1979	January 20, 1981	Jimmy Carter
21	Paul H. Robinson, Jr.		July 15, 1981	September 9, 1985	Ronald Reagan
22	Thomas M. T. Niles		September 10, 1985	June 28, 1989	Ronald Reagan, George H. W. Bush
23	Edward N. Ney		June 30, 1989	June 20, 1992	George H. W. Bush
24	Peter Teeley		July 3, 1992	February 28, 1993	George H. W. Bush, Bill Clinton
25	James Blanchard		August 19, 1993	March 15, 1996	Bill Clinton
26	Gordon Giffin		September 17, 1997	April 10, 2001	Bill Clinton, George W. Bush
27	Paul Cellucci		April 17, 2001	March 18, 2005	George W. Bush
28	David Wilkins		June 29, 2005	January 20, 2009
29	David Jacobson		October 2, 2009	July 15, 2013	Barack Obama
30	Bruce Heyman		March 26, 2014	January 18, 2017[3]
—	Elizabeth Moore Aubin (acting)		January 18, 2017	October 23, 2017	Barack Obama, Donald Trump
31	Kelly Craft		October 23, 2017	August 23, 2019	Donald Trump
—	Richard M. Mills Jr. (acting)		August 23, 2019	November 9, 2020
—	Katherine Brucker (acting)		November 9, 2020	May 28, 2021	Donald Trump, Joe Biden
—	Arnold A. Chacón (acting)[4]		May 28, 2021[5]	December 7, 2021	Joe Biden
32	David L. Cohen		December 7, 2021	January 20, 2025
—	Marybeth Turner (acting)		January 20, 2025	April 28, 2025	Donald Trump
33	Pete Hoekstra		April 29, 2025	Incumbent

See also

• Ambassadors of the United States
• Canada–United States relations
• Embassy of the United States, Ottawa
• Foreign relations of Canada
• List of ambassadors of Canada to the United States
• Lornado, official residence of the US Ambassador to Canada