| Sebastien Dechamps | |
| Birth Date: | 12 January 1994 |
| Nationality: | Argentine |
| Position: | Left back |
| Currentclub: | Quilmes |
| Nationalteam1: | Argentina |
| Nationalcaps1: | 15 |
| Nationalgoals1: | 65 |
Sebastien Dechamps (born 12 January 1994) is an Argentine handball player for Quilmes and the Argentine national team.
He participated at the 2017 World Men's Handball Championship.[1]