This is a list of ambassadors from the United States to Canada. The ambassador is the head of the Embassy of the United States in 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, and Ray Atherton was the first chief of mission to hold ambassadorial rank.
| # | Ambassador | Picture | Took office | Left office | President(s) |
|---|---|---|---|---|---|
| 1 | William Phillips | June 1, 1927 | December 14, 1929 | Calvin Coolidge, Herbert Hoover |
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| 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 |
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| 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 |
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| 16 | Harold F. Linder | September 10, 1968 | July 9, 1969 | Lyndon B. Johnson, Richard M. Nixon |
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| 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 |
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| 19 | Thomas O. Enders | February 17, 1976 | December 14, 1979 | Gerald R. Ford, Jimmy Carter |
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| 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 |
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| 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 |
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| 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 |
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| 27 | Paul Cellucci | April 17, 2001 | March 18, 2005 | George W. Bush | |
| 28 | David Wilkins | June 29, 2005 | January 20, 2009 | George W. Bush | |
| 29 | David Jacobson | October 2, 2009 | Barack Obama |
Famous quotes containing the words united states, united, states, ambassador and/or canada:
“As a Tax-Paying Citizen of the United States I am entitled to a voice in Governmental affairs.... Having paid this unlawful Tax under written Protest for forty years, I am entitled to receive from the Treasury of “Uncle Sam” the full amount of both Principal and Interest.”
—Susan Pecker Fowler (1823–1911)
“Places where he might live and die and never hear of the United States, which make such a noise in the world,—never hear of America, so called from the name of a European gentleman.”
—Henry David Thoreau (1817–1862)
“Our citizenship in the United States is our national character. Our citizenship in any particular state is only our local distinction. By the latter we are known at home, by the former to the world. Our great title is AMERICANS—our inferior one varies with the place.”
—Thomas Paine (1737–1809)
“I would like to be the first ambassador to the United States from the United States.”
—Barbara Mikulski (b. 1936)
“In Canada an ordinary New England house would be mistaken for the château, and while every village here contains at least several gentlemen or “squires,” there is but one to a seigniory.”
—Henry David Thoreau (1817–1862)