| 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 | |
| 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 withSenateadvice 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 |
This is alist of ambassadors of the United States to Canada.[2] Theambassador is the head of theEmbassy of the United States in Ottawa.
Prior to 1943, the head of the U.S.diplomatic mission to Canada bore the title ofEnvoy Extraordinary and Minister Plenipotentiary. The U.S. mission to Canada was upgraded fromlegation toembassy status in June 1943;Ray Atherton was the firstchief of mission to hold ambassadorial rank.
| # | 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 | .jpg) | 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 |
This article incorporatespublic domain material fromU.S. Bilateral Relations Fact Sheets.United States Department of State.
