Colquhoun Grant may be:
- Colquhoun Grant (British intelligence officer) (1780–1829), British Army intelligence officer
- Sir Colquhoun Grant (British cavalry general) (1772–1835), British Army cavalry general and MP
- Walter Colquhoun Grant (1822–1861), British Army officer and a pioneer settler in British Columbia.
This disambiguation page lists articles about people with the same name.
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