| Head Of Post | Title | Career | Appointment Date | Presentation of credentials | Termination of mission |
| Burchell, Charles Jost | HC | NC | 1939/11/02 | 1939/12/27 | 1941/07/24 |
| Rogers, Evan Benjamin | A/HC | C | 1941/07/24 | | 1942/01/07 |
| Odlum, Maj.-Gen. Victor Wentworth | HC | C | 1941/11/06 | 1942/01/07 | 1942/09/20 |
| Davis, Hon. Thomas Clayton | HC | NC | 1942/11/05 | 1942/12/30 | 1946/05/29 |
| Croft, Carman Millward | A/HC | C | 1946/05/29 | | 1947/05/27 |
| Greene, Kenneth Alfred | HC | NC | 1947/04/15 | 1947/05/27 | 1949 |
| LaFlèche, Maj.-Gen. the Hon. Léo Richer | HC | NC | 1949/04/26 | 1949/10/20 | 1950/10/09 |
| Croft, Carman Millward | A/HC | C | 1950/10/09 | | 1951/06/09 |
| Elliott, Colin Fraser | HC | NC | 1951/03/01 | 1951/06/09 | 1953/04/00 |
| Irwin, William Arthur | HC | NC | 1953/03/19 | 1953/08/08 | 1956/09/00 |
| Cornett, Donald Macalister | A/HC | C | 1956/09/00 | | 1957/04/00 |
| MacDermot, Terence William Leighton | HC | C | 1957/01/17 | 1957/04/26 | 1961/08/02 |
| Gill, Evan William Thistle | HC | C | 1962/02/15 | 1962/07/22 | 1965/01/28 |
| Menzies, Arthur Redpath | HC | C | 1965/09/02 | 1965/11/22 | 1972/07/22 |
| McCardle, James Joachim | HC | C | 1972/04/04 | 1972/10/19 | 1977/06/28 |
| Beesley, John Alan | HC | C | 1977/06/30 | 1977 | 1980/12/04 |
| Anderson, Raymond Cecil | HC | C | 1980/07/10 | 1980 | 1983/08 |
| Schreyer, Rt. Hon. Edward Richard | HC | NC | 1984/05/14 | 1984 | 1988/02/18 |
| Kilpatrick, Robert Allen | HC | C | 1987/10/08 | 1988/02/10 | 1991/01/05 |
| Berry, Leonard Michael | HC | C | 1991/09/19 | 1991 | 1995/07 |
| Schumacher, Brian | HC | C | 1995/08/18 | 1995 | 1999/07 |
| Bartleman, James Karl | HC | C | 1999/06/10 | 1999/11/09 | 2000/07/01 |
| Fournier, Jean T. | HC | C | 2000/07/26 | 2000/08/31 | 2004/07 |
| Barban, Gaston | A/HC | C | 2004/07 | | 2005/07/07 |
| Leir, Michael | HC | C | 2005/08/19 | 2005/11/01 | 2010/08/04 |
| Mundy, John | CG | C | 2010/06/10 | | |
| Small, Michael | HC | C | 2010/08/10 | 2010/09/19 | 2014/12/13 |
| Reeves, Charles | A/HC | C | 2014/12/14 | | 2015/08/24 |
| Maddison, Paul | HC | NC | 2015/06/22 | 2015/08/25 | 2019/05/27 |
| Martin, Isabelle | A/HC | C | 2019/05/28 | | 2019/10/03 |
| Glauser, Mark | HC | C | 2019/08/28 | 2019/10/04 | |
