| Louis Gailliard | |
| Full Name: | Louis Henri Pierre Gailliard |
| Nationality: | French |
| Sport: | Track and field |
| Event: | 400 metres hurdles |
| Birth Date: | 13 September 1912 |
| Birth Place: | Saint-Quentin-Fallavier, France |
| Death Place: | La Tronche, France |
Louis Gailliard (13 September 1912 - 10 June 1996) was a French hurdler. He competed in the men's 400 metres hurdles at the 1936 Summer Olympics.[1]