| Birth Date: | 2 August 1894 |
| Birth Place: | Brussels, Belgium |
| Death Place: | Saint-Josse-ten-Noode, Belgium |
| Sport: | Water polo |
Paul Gailly (in French pronounced as /pɔl ɡaji/; 2 August 1894 – 5 May 1969) was a Belgian water polo player who won silver medals at the 1920 and 1924 Summer Olympics.[1]