| Fullname: | Paul Henri Vasseur |
| Birth Date: | 10 October 1884 |
| Birth Place: | Lille, France |
| Death Date: | 12 October 1971 (aged 87) |
| Death Place: | Saint-Didier, Vaucluse, France |
| Sport: | Water polo |
| Club: | Libellule de Paris Club Nautique de Nice |
| Show-Medals: | yes |
Paul Henri Vasseur (10 October 1884 – 12 October 1971) was a French freestyle swimmer and water polo player. He competed in water polo at the 1900, 1912 and 1920 Summer Olympics and finished in third, fifth and ninth place, respectively. At the 1906 and 1920 Games he took part in the 4 × 200 m, 400 m and one mile swimming events, but failed to reach the finals.[1] [2]
Vasseur is the youngest Olympic bronze medalist in water polo. On 12 August 1900, he won an Olympic bronze medal at the age of 15 years and 306 days.[1]