John Marshall Grant | |
|---|---|
| Born | c. 1822 |
| Died | 1902 |
| Allegiance |  United Kingdom |
| Service | Royal Engineers |
| Rank | Colonel |
Colonel John Marshall Grant (c. 1822 – 1902) was a commander of the British Royal Engineers who was a leading member of the Royal Engineers, Columbia Detachment that founded British Columbia as the Colony of British Columbia (1858–1866).