James Rollins Barker is a former Canadian diplomat. He was concurrently High Commissioner to Mauritius, Tanzania and Zambia. He was also Ambassador Extraordinary and Plenipotentiary to Somalia and Greece.
| Diplomatic posts | ||
|---|---|---|
| Preceded by John Arnold Irwin |
High Commissioner to Mauritius 1971-1975 |
Succeeded by Robert Wallace McLaren |
| Preceded by John Arnold Irwin |
High Commissioner to Tanzania 1971-1975 |
Succeeded by Robert Wallace McLaren |
| Preceded by John Arnold Irwin |
High Commissioner to Zambia 1971-1975 |
Succeeded by Arthur Frederick Broadbridge |
| Preceded by Ralph Edward Reynolds |
Ambassador Extraordinary and Plenipotentiary to Somalia 1974-1975 |
Succeeded by Robert Wallace McLaren |
| Preceded by Arthur Julian Andrew |
Ambassador Extraordinary and Plenipotentiary to Greece 1978-1982 |
Succeeded by Jean-Marcel Touchette |