List of permanent representatives and observers of Canada to the Organization of American States. The Permanent Representatives and Observers of Canada to the OAS have held the rank and status of Ambassador. Canada was a permanent observer at the OAS until 1990, when it became a permanent member.
| Ambassador | Start of term | End of term | Representative or observer |
|---|---|---|---|
| Alfred John Pick | February 2, 1972 | December 30, 1975 | Observer |
| Michel Antonin Careau | December 30, 1975 | August 20, 1976 | Observer |
| Arthur Edward Blanchette | May 11, 1976 | September 14, 1980 | Observer |
| Kenneth Bryce Williamson | July 10, 1980 | December 1983 | Observer |
| Pierre Edgar Joseph Charpentier | April 5, 1984 | August 28, 1987 | Observer |
| Richard Vessot Gorham | December 10, 1987 | 1990 | Observer |
| Jean-Paul Hubert | January 5, 1990 | 1997 | Representative |
| Peter Boehm | July 10, 1997 | 2001 | Representative |
| Paul D. Durand | July 16, 2001 | 2006 | Representative |
| Graeme C. Clark | June 14, 2006 | September 2010 | Representative |
| Allan Culham | September 2010 | 2015 | Representative |
| Jennifer May Loten | September 2, 2015 | 2019 | Representative |
| Hugh Adsett | August 2019 | Representative |
Notes
- Styled as Acting Permanent Observer
- "Allan Culham". Retrieved June 8, 2015.
- Canada, Government of Canada,Global Affairs (2015-08-01). "Canada News Centre - Archived - Diplomatic Appointments". news.gc.ca. Retrieved 2015-11-25.
{{cite web}}: CS1 maint: multiple names: authors list (link) - Canada, Global Affairs (2019-08-08). "Announcement of new diplomatic appointments". gcnws. Retrieved 2019-08-12.