| Chef de misssion | Titre | Carrière | Nomination | Présentation des lettres de créance | Fin de l'affectation |
| LaFlèche, Maj.-Gen. the Hon. Léo Richer | EEMP | NC | 1952/11/05 | 1953/01/09 | 1955/06/01 |
| Charpentier, Fulgence | Chargé d'affaires a.i. | C | 1953/03/30 | 1956/05/26 | |
| Birkett, Charles Blair | Chargé d'affaires a.i. | C | 1956/05/00 | 1961/08/21 | |
| Bower, Richard Plant | AEP | C | 1961/02/05 | 1961/04/26 | 1962/12/04 |
| Houde, Joseph François Xavier | Chargé d'affaires a.i. | C | 1961/08/21 | 1964/06/19 | |
| Mayrand, Léon | AEP | C | 1962/10/24 | 1963/03/20 | 1964/02/23 |
| Bruchési, Jean | AEP | NC | 1964/06/04 | 1964/12/28 | 1967/10/05 |
| Dougan, John Alpine | Chargé d'affaires a.i. | C | 1964/07/19 | 1967/07/16 | |
| Langille, Gilbert Craig | Chargé d'affaires a.i. | C | 1967/09/17 | 1969/07/05 | |
| Choquette, Robert | AEP | NC | 1968/01/30 | 1968/07/17 | 1970/08/03 |
| Freifeld, Sidney Allan | Chargé d'affaires a.i. | C | 1969/08/20 | 1970/01/09 | |
| Bissonnet, Alfred Pike | AEP | C | 1970/07/09 | 1970/12/15 | 1978/03/01 |
| Fulford, Dwight Wilder | AEP | C | 1977/08/31 | 1978/06/14 | 1982/09/02 |
| Clark, Lorne Sheldon | AEP | C | 1982/09/22 | 1982/10/13 | 1985/03/28 |
| Fréchette, Louise | AEP | C | 1985/03/29 | 1985/07/04 | 1988/08/10 |
| Bullis, Clayton George | AEP | C | 1988/09/22 | 1988/10/06 | 1991/09/11 |
| Rochon, Robert J. | AEP | C | 1991/09/00 | 1991/10/00 | 1994/08/00 |
| Clark, Robert G. | AEP | C | 1994/07/12 | 1994/10/10 | 1995/08/30 |
| Goulet, Roland | AEP | C | 1995/07/04 | 1995/10/13 | 1998/07/30 |
| Northgrave, Brian | AEP | C | 1998/07/15 | 1998/09/10 | 2001/08/30 |
| Harper, Susan | C | 2001/07/16 | 2001/10/05 | 2004/07/30 | |
| Fuller, Patricia | AEP | C | 2004/08/09 | 2004/10/13 | |
| Latulippe, Alain | AEP | NC | 2007/07/18 | ||
| Trudel, Francis | AEP | C | 2010/08/10 | ||
| Poulin, Claire | AEP | C | 2012/08/20 |