Robert Colquhoun (disambiguation)
Robert Colquhoun was a Scottish painter, printmaker and theatre set designer.
Robert Colquhoun may also refer to:
- Robert Colquhoun, of Clan Colquhoun; chief of Colquhoun and Luss
- Robert Colquhoun (East India Company officer), organizer of the Kemaoon Battalion during the Gurkha War
- Robert Gilmour Colquhoun, British diplomat
- Robert Colquhoun (bowls), English bowls player