| Leonardo Facundo Querin | |
| Birth Date: | 17 April 1982 |
| Birth Place: | Buenos Aires, Argentina |
| Position: | Right back |
| Currentclub: | Handball Sassari |
| Nationalteam1: | Argentina |
| Nationalcaps1: | 164 |
| Nationalgoals1: | 244 |
Leonardo Facundo Querin (born 17 April 1982) is an Argentine handball player for Handball Sassari and the Argentina men's national handball team.[1]
He defended Argentina at the 2012 London Summer Olympics,[2] and at the 2015 World Men's Handball Championship in Qatar.