| Head of Post | Title | Career | Appointment Date | Presentation of credentials | Termination of mission |
| Garland, Edward Joseph | EEMP | NC | 1949/03/16 | 1949/08/11 | 1952/08/19 |
| Watkins, John Benjamin Clark | EEMP | C | 1952/06/29 | 1952/06/09 | 1954/03/00 |
| Ronning, Chester Alvin | EEMP | C | 1954/01/21 | 1954/12/22 | 1957/03/10 |
| Thibault, J.E. | Chargé d'Affaires a.i. | C | 1957/03/10 | 1958/03/12 | |
| MacKay, Robert Alexander | EEMP | C | 1957/05/22 | 1958/03/12 | 1960/07/04 |
| MacKay, Robert Alexander | AE&P | C | 1960/01/26 | 1960/07/04 | 1962/03/01 |
| Couillard, Joseph Louis Eugène | AE&P | C | 1961/12/15 | 1962/02/14 | 1963/10/23 |
| Sigvaldason, John Peter | AE&P | C | 1964/01/27 | 1964/04/21 | 1968/09/30 |
| Grande, George Kinnear | AE&P | C | 1968/10/03 | 1968/12/03 | 1972/07/20 |
| McIlwraith, Kenneth Douglas | AE&P | C | 1972/05/11 | 1972/09/13 | 1976/07/27 |
| Pinnacle, Trevor John | Chargé d'Affaires a.i. | C | 1976/07/08 | 1977/05/03 | |
| Campbell, Arthur Grant | AE&P | C | 1977/02/24 | 1977/05/03 | 1981/07/23 |
| Wardroper, Wilfrid Kenneth | AE&P | C | 1981/07/29 | 1981/10/13 | |
| Harrington, John Maurice | AE&P | C | 1984/08/31 | 1985/03/12 | |
| Mitchell, Robert Henry Graham | AE&P | C | 1988/08/11 | 1989/01/25 | 1991/00/00 |
| Pedersen, Robert E. | AE&P | C | 1991/00/00 | ||
| Mathys, François Antoine | AE&P | C | 1995/07/04 | 1995/10/18 | |
| Morin, Marie-Lucie | AE&P | C | 1997/07/10 | 1997/10/17 | |
| Skinner, Gerald R. | AE&P | C | 2001/07/16 | ||
| Têtu, Richard | C | 2003/07/15 | |||
| Blauveldt, Anna | AE&P | C | 2006/06/14 | 2006/09/29 | |
| Bones, Alan | AE&P | C | 2009/05/14 |