Robert Gray might refer to:
- Robert Gray (bishop) (1809–1872), first Anglican Bishop of Cape Town
- Robert Gray (sea-captain) (1755–1806), American merchant sea-captain and explorer
- Robert Gray (poet) (b. 1945), Australian poet
- Robert Gray (Australian rules footballer) (b. 1988)
- R. Henry Grey (1891-1934), an American actor, who was sometimes credited as Robert Gray


