| Head of Post | Title | Career | Appointment Date | Presentation of credentials | Termination of mission |
| Pierce, Sydney David | HOM | C | 1960/03/17 | 1965/10/31 | |
| Tremblay, Paul | HOM | C | 1966/05/13 | 1966/07/14 | 1970/02/16 |
| Gherson, A. Randolph A. | Chargé d'Affaires a.i. | C | 1970/02/17 | 1971/01/28 | |
| Langley, James Coningsby | HOM | C | 1970/12/10 | 1971/01/29 | 1975/06/28 |
| Cadieux, Marcel | HOM | C | 1975/03/27 | 1975/07/15 | 1978/09/08 |
| Tait, Richard Marcus | HOM | C | 1978/10/12 | 1978/11/07 | 1982/09/09 |
| Gignac, Jacques Gilles Bruno | HOM | C | 1982/09/22 | 1982/09/21 | |
| Joyce, Robert K. | HOM | C | 1985/11/15 | 1986/01/00 | |
| MacDonald, Craig Thomas | Chargé d'Affaires a.i. | C | 1986/10/00 | ||
| Molgat, Daniel Albert Bernard | HOM | C | 1987/01/22 | 1991/09/23 | |
| Smith, Gordon Scott | HOM | C | 1991/00/00 | 1994/08/12 | |
| Roy, Jacques Silva | HOM | C | 1994/08/30 | 1994/10/10 | |
| Juneau, Jean-Pierre | HOM | C | 1996/09/11 | 1996/09/00 | 2000/09/00 |
| Bartleman, James Karl | HOM | C | 2000/07/26 | 2000/09/20 | 2002/03/04 |
| Kinsman, Jeremy K.B. | AE&P | C | 2002/08/01 | 2002/09/30 | 2006/08/15 |
| Hornby, Ross | AE&P | C | 2006/06/14 | 2006/09/15 | |
| Plunkett, David | AE&P | C | 2011/07/19 |