| Birth Date: | 21 June 1898 |
| Birth Place: | Wellin, Belgium |
| Death Place: | Brussels, Belgium |
| Sport: | Water polo |
Jules Thiry (21 June 1898 - 7 February 1931) was a Belgian water polo player who competed in the 1924 Summer Olympics. In 1924 he won the silver medal with the Belgian water polo team. He played two matches.[1]