| Olympic medal record | ||
|---|---|---|
| Men's Rowing | ||
| Bronze | 1936 Berlin | coxed fours |
Jean Marcel Cosmat (July 3, 1910 – March 29, 2010) was a French rower who competed in the 1936 Summer Olympics.
In 1936 he won the bronze medal as crew member of the French boat in the coxed fours competition.