| Head Of Post | Title | Career | Appointment Date | Presentation of credentials | Termination of mission |
| Kearney, John Doherty | HC | NC | 1946/12/23 | 1947/04/27 | |
| Chipman, Warwick Fielding | HC | NC | 1949/03/31 | 1949/12/16 | |
| Reid, Escott Meredith | HC | C | 1952/07/31 | 1952/11/21 | 1957/05/04 |
| Ronning, Chester Alvin | HC | C | 1957/03/07 | | 1964 |
| Rettie, Edward Rose | A/HC | C | 1964 | | 1964/09/07 |
| Michener, Hon. Daniel Roland | HC | NC | 1964/07/09 | 1964/09/07 | 1967/04/12 |
| Hicks, Douglas Barcham | A/HC | C | 1967/04/12 | | 1967/10/21 |
| George, James | HC | C | 1967/07/17 | 1967/10/21 | 1972/08/20 |
| Williams, Bruce MacGillivray | HC | C | 1972/06/08 | 1972/09/23 | 1974/07/02 |
| Maybee, John Ryerson | HC | C | 1974/06/13 | 1974/09/26 | 1977/05/31 |
| Rogers, Robert Louis | HC | C | 1977/07/14 | 1977/09/24 | 1979/08/23 |
| Hadwen, John Gaylard | HC | C | 1979/04/04 | 1979/10/26 | 1973/08/25 |
| Warden, William Thomas | HC | C | 1983/10/13 | | 1986/08/00 |
| Harris, James Gordon | HC | C | 1986/07/23 | 1986/10/09 | 1991/10/07 |
| Paynter, John Lawrence | HC | C | 1991/01/03 | | |
| Gooch, Stanley Edward | HC | C | 1994/08/16 | 1994/10/04 | 1997/09/00 |
| Walker, Peter F. | HC | C | 1997/10/30 | 1997/11/27 | 2000/08/22 |
| Sutherland, Peter | HC | C | 2000/09/22 | 2000/10/23 | 2003/08/31 |
| Edwards, Lucie Geneviève | HC | C | 2003/07/31 | 2003/11/24 | 2006/08/02 |
| Kitnikone, Ping M. | CG | C | 2004/05/19 | | 2005/04/18 |
| Malone, David | HC | C | 2006/07/13 | 2006/09/12 | 2008/06/28 |
| Caron, Joseph | HC | C | 2008/09/02 | 2008/11/10 | 2010/06/11 |
| Beck, Stewart | HC | C | 2010/09/20 | 2010/12/08 | 2014/07/13 |
| Patel, Nadir | HC | C | 2014/10/03 | 2015/01/16 | 2021/06/10 |
| MacKay, Cameron | HC | C | 2021/12/20 | 2022/03/16 | |
