Robert Walton may refer to:
- Robert E. Walton, American polo player and coach
- Robert Walton (restaurateur), British restaurateur
- Bob Walton (ice hockey) (1912-1992), Canadian professional ice hockey forward for the Montreal Canadiens and Pittsburgh Hornets.
- Rob Walton (ice hockey), Canadian professional ice hockey forward in the World Hockey Association
- Rob Walton or S. Robson Walton (born 1944), American billionaire and former chairman of Walmart
- Bob Walton (police commissioner), New Zealand police officer
- Robert Walton, character in the 1818 novel Frankenstein
- Robert Walton Goelet, American businessman
- Robert Walton Moore, American lawyer and politician