Robert Gilbert may refer to:
- Robert Gilbert (chemist) (born 1946), Australian chemist
- Robert Gilbert (musician) (1899âÂÂ1978), German musician
- Robert Gilbert (bishop) (died 1448), dean of York, bishop of London, 1436âÂÂ1448
- Bobby Gilbert, Irish footballer
- Robert Gilbert (MP for Weymouth), member of parliament for Weymouth, 1390
- Robert Gilbert (MP for Gloucester) (fl. 1415âÂÂ1432), MP for Gloucester
- Robert A. Gilbert (1870âÂÂ1942), African-American nature photographer
- Bob Gilbert (1923âÂÂ1991), Australian rugby league footballer
- Rob Gilbert (Robby Gilbert), American animator, illustrator, and cartoonist
- Robert Gilbert (actor), English and American actor, musician under the name Captain Backfire