Robert or Bob Spencer may refer to:
Arts and entertainment Robert Spencer (artist) (1879–1931), American painter Robert L. Spencer (1920–2014), American fashion designer Bob Spencer (born 1957), Australian guitarist J. Robert Spencer (born 1969), American actor and singer
Nobility Robert Spencer of Spencer Combe (died 1510), English landowner Robert Spencer, 1st Baron Spencer of Wormleighton (1570–1627), English peer Robert Spencer, 1st Viscount Teviot (1629–1694), Scottish peer Robert Spencer, 2nd Earl of Sunderland (1641–1702), English statesman and nobleman Robert Spencer, 4th Earl of Sunderland (1701–1729), British peer
Others Lord Robert Spencer (1747–1831), British politician Robert Cavendish Spencer (1791–1830), English naval officer Robert Nelson Spencer (1877–1961), American Episcopal bishop and hymn writer Robert Spencer (doctor) (1889–1969), American abortionist Robert Spencer (author) (born 1962), American critic of Islam
See also Bobbie Spencer, character in American soap opera General Hospital Spencer family