Robert Colquhoun (1914–1962) was a Scottish painter, printmaker and theatre set designer.
Robert Colquhoun may also refer to: Robert Colquhoun (14th century), of Clan Colquhoun; chief of Colquhoun and Luss Robert Colquhoun (East India Company officer) (1786–1838), organizer of the Kemaoon Battalion during the Gurkha War Robert Gilmour Colquhoun (1803–1870), British diplomat Robert Colquhoun (bowls) (1882–?), English bowls player