| Headercolor: | lightblue |
| Marcel Balthasar | |
| Nationality: | Luxembourgian |
| Birth Date: | 4 June 1939 |
| Birth Place: | Luxembourg |
| Sport: | Archery |
Marcel Balthasar (born 4 June 1939) is a Luxembourgian archer. He was born in Luxembourg.
He competed at the 1972 Summer Olympics in Munich, where he placed 39th in the men's individual archery event.[1]