Robert Forbes Gentleman was a British water polo player who competed in the 1948 Summer Olympics. He was part of the British team which was eliminated in the first round of the 1948 tournament. He played both matches. His son Allan Gentleman was five times World Masters Swimming Champion.
- Occupation
- swimmer, water polo player
- Citizenship
- United Kingdom
- Born
- August 28, 1923
- Died
- 2005