| Léon Louyet | |
| Fullname: | Léon Louyet |
| Nickname: | Le Poilu |
| Birth Date: | 1906 7, df=yes |
| Birth Place: | Loos-en-Gohelle, France |
| Death Place: | Charleroi, Belgium |
| Discipline: | Road |
| Role: | Rider |
| Majorwins: | two stages 1933 Tour de France |
Léon Louyet (Loos-en-Gohelle, France, 7 July 1906 — Charleroi, 19 March 1973) was a Belgian professional road bicycle racer. In 1933 he won two stages in the Tour de France.