| Marius Royet | |
| Fullname: | Marius Royet |
| Birth Date: | 10 January 1881 |
| Birth Place: | France |
| Death Place: | Mannheim, Grand Duchy of Baden, German Empire |
| Position: | Striker |
| Clubs1: | US Parisienne |
| Nationalyears1: | 1904–1908 |
| Nationalteam1: | France |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 2 |
Marius Royet (10 January 1881 - 9 January 1915)[1] was a French international football player. Royet played for US Parisienne and was also a France international. He played in the national team's first-ever match against Belgium on 1 May 1904.[2]