| Chef de misssion | Titre | Carrière | Nomination | Présentation des lettres de créance | Fin de l'affectation |
| Blanchette, Arthur Edward | Chargé d'affaires a.i. | C | 1954/10/19 | | |
| Kirkwood, Kenneth Porter | AEP | C | 1954/11/18 | 1954/12/27 | |
| Norman, Egerton Herbert | AEP | C | 1956/04/04 | 1956/08/19 | 1957/04/04 |
| Macdonnell, Ronald Macalister | AEP | C | 1957/06/13 | 1957/06/15 | 1958/08/30 |
| Smith, Arnold Cantwell | AEP | C | 1958/09/25 | 1958/11/04 | 1961/01/16 |
| Ford, Robert Arthur Douglass | AEP | C | 1961/01/11 | 1961/06/11 | 1964/01/05 |
| Chapdelaine, Joseph Marc Antoine Jean | AEP | C | 1963/10/24 | 1964/02/27 | 1964/12/12 |
| Starnes, John Kennett | AEP | C | 1966/02/23 | 1966/06/06 | |
| Carter, Thomas Lemesurier | AEP | C | 1967/09/28 | 1967/11/20 | 1970/12/29 |
| Harman, Gary Richard | Chargé d'affaires a.i. | C | 1970/12/29 | | 1971/08/01 |
| Stansfield, David | AEP | C | 1971/07/08 | 1971/08/01 | 1974/07/08 |
| Touchette, Jean-Marcel | AEP | C | 1974/06/10 | 1974/10/29 | 1977/07/24 |
| Déry, Jean-Marie Gaétan | AEP | C | 1977/08/04 | 1977/10/16 | 1980/08/25 |
| Elliott, Robert L. | AEP | C | 1980/07/10 | 1980/11/04 | 1983 |
| Schioler, John Pontoppidan | AEP | C | 1983/10/13 | 1983/10/22 | 1985/01/21 |
| Perron, Marc | AEP | C | 1985/06/27 | 1985/12/03 | |
| Brault, Marc | AEP | C | 1988/08/11 | 1988/09/19 | 1990/07/16 |
| Simard, Jacques T. | AEP | C | 1990/09/12 | 1990/09/25 | |
| Bell, Michael Dougall | AEP | C | 1994/07/15 | 1994/11/08 | 1998/07/23 |
| Beauchemin, Marie-Andrée | AEP | C | 1998/07/15 | 1998/11/10 | |
| de Salaberry, Michel | AEP | C | 2001/07/16 | | |
| MacKinnon, Philip | AEP | C | 2004/05/19 | | |
| de Kerckhove, Ferry | AEP | C | 2008/09/02 | 2008/10/26 | |
| Drake, David | AEP | | 2011/09/21 | 2011/12/11 | |
| Lulashnyk, Troy | AEP | C | 2014/09/02 | 2014/11/22 | 2017/07/06 |
| Dutton, Jess | AEP | C | 2017/08/17 | 2017/10/02 | 2020/09 |
| Dumas, Louis | AEP | C | 2020/09/24 | 2021/03/08 | |