This is a list of ambassadors of Canada to the United States, formally titled as Ambassador Extraordinary and Plenipotentiary to the United States of America for His [Her] Majesty's Government in Canada. Originally, Canada's top diplomatic representative to the U.S. had the rank of Envoy Extraordinary and Minister Plenipotentiary. The title was promoted to the rank of Ambassador Extraordinary and Plenipotentiary in 1943, during the period when Leighton McCarthy had the post.
Before November 25, 1926, Canada was represented in Washington D.C. by the British ambassador to the United States.
Most Canadian ambassadors to the United States have been political appointees to the position. A few (Chrétien, Pearson, Charles Ritchie, Edgar Ritchie, Kirsten Hillman, and Wrong) were career diplomats or spent most of their career at the Department of External Affairs (or its successors).
Envoy Extraordinary and Minister Plenipotentiary
{|class=wikitable style="text-align:center"
! # !! Name !! Picture !! Took office !! Left office !! Prime Minister(s)
|-
|1
| Vincent Massey
| 120x120px|alt=
| November 25, 1926
| July 23, 1930
| William Lyon Mackenzie King
|-
|—
| H. H. Wrong (Chargé d'Affaires ad interim)
|132x132px|alt=
| July 23, 1930
| March 9, 1931
| William Lyon Mackenzie King<br>R. B. Bennett
|-
|2
| W.D. Herridge
| 143x143px|alt=
| March 9, 1931
| 1935
| R. B. Bennett
|-
|—
| H. H. Wrong (Chargé d'Affaires ad interim)
|132x132px|alt=
| 1935
| 1936
| R. B. Bennett<br>William Lyon Mackenzie King
|-
|3
| Sir Herbert Marler
| 162x162px|alt=
| 1936
| 1939
| William Lyon Mackenzie King
|-
|4
| Loring Christie
|
| 1939
| 1941
| William Lyon Mackenzie King
|-
|5
| Leighton McCarthy
|103x103px|alt=
| 1941
| 1943
| William Lyon Mackenzie King
|}
Ambassador Extraordinary and Plenipotentiary
{| class="wikitable" style="text-align:center"
! # !! Name !! Picture !! Took office !! Left office !! Prime Minister(s)
|-
|5
|Leighton McCarthy
|103x103px|alt=
| 1943
| 1944
|William Lyon Mackenzie King
|-
|6
|Lester B. Pearson
|141x141px
|1944
|1946
|William Lyon Mackenzie King
|-
|7
|H. H. Wrong
|132x132px|alt=
|1946
|1953
|William Lyon Mackenzie King
Louis St. Laurent
|-
|8
|A.D.P. Heeney
|134x134px
|1953
|1957
|Louis St. Laurent
|-
|9
|Norman Robertson
|100x100px
|1957
|1958
|John Diefenbaker
|-
|—
|A.D.P. Heeney
|134x134px
|1959
|1962
|John Diefenbaker
|-
|10
|C.S.A. Ritchie
|
|1962
|1966
|John Diefenbaker
Lester B. Pearson
|-
|11
|A.E. Ritchie
|
|1966
|1970
|Lester B. Pearson
Pierre Elliott Trudeau
|-
|12
|Marcel Cadieux
|136x136px
|1970
|1975
|Pierre Elliott Trudeau
|-
|13
|Jake Warren
|
|1975
|1977
|Pierre Elliott Trudeau
|-
|14
|Peter Towe
|
|1977
|1981
|Joseph Clark
Pierre Elliott Trudeau
|-
|15
|Allan Gotlieb
|136x136px
|1981
|1989
|Pierre Elliott Trudeau
John Turner
Brian Mulroney
|-
|16
|Derek Burney
|152x152px
|1989
|1993
|Brian Mulroney
Kim Campbell
|-
|17
|John de Chastelain
|
|1993
|1994
|Jean Chrétien
|-
|18
|Raymond Chrétien
|141x141px
|1994
|2000
|Jean Chrétien
|-
|19
|Michael Kergin
|
|October 26, 2000
|February 28, 2005
|Jean Chrétien
Paul Martin
|-
|20
|Frank McKenna
|123x123px
|March 8, 2005
|March 13, 2006
|Paul Martin
Stephen Harper
|-
|21
|Michael Wilson
|136x136px
|March 13, 2006
|October 19, 2009
|Stephen Harper
|-
|22
|Gary Doer
|137x137px
|October 19, 2009
|March 3, 2016
|Stephen Harper
Justin Trudeau
|-
|23
|David MacNaughton
|152x152px
|March 3, 2016
|August 31, 2019
|Justin Trudeau
|-
|24
|Kirsten Hillman
|137x137px
|March 26, 2020
<small>Acting Ambassador<br />from August 31, 2019</small>
|February 15, 2026
|Justin Trudeau
Mark Carney
|-
|25
|Mark Wiseman
|137x137px
|February 15, 2026
|Incumbent
|Mark Carney
|}
See also
- Embassy of Canada, Washington, D.C.
- List of ambassadors of the United States to Canada