| Assembly: | French National |
| Constituency Am: | Reunion (1st constituency) |
| Term Start: | 29 June 1946 |
| Term End: | 27 November 1946 |
| Office2: | Senator of the French Republic |
| Term Start2: | 7 November 1948 |
| Term End2: | 18 June 1955 |
| Constituency2: | Reunion |
| Assembly3: | French National |
| Constituency Am3: | Reunion (2nd constituency) |
| Term Start3: | 5 May 1963 |
| Term End3: | 2 April 1967 |
| Birth Date: | 6 November 1910 |
| Birth Place: | Saint-Denis, Réunion |
| Death Place: | Saint-Denis, Réunion |
| Citizenship: | French  |
| Party: | MRP (1946-1955) CD (1963-1967) |
Marcel Vauthier (November 6, 1910 - May 26, 1988) was a French politician.
Vauthier was born in Saint-Denis, Reunion and died in the same city. A lawyer by profession, he was an MP and Senator under the French Fourth Republic and the beginning of the Fifth Republic.