| Leon Šušnja | |
| Birth Date: | 5 August 1993 |
| Birth Place: | Široki Brijeg, Bosnia & Hercegovina |
| Nationality: | Croatian |
| Position: | Pivot |
| Currentclub: | Wisła Płock |
| Clubnumber: | 19 |
| Youthclubs1: | RK Moslavina |
| Youthclubs2: | RK Novska |
| Years1: | 2013–2019 |
| Clubs1: | RK Zagreb |
| Years2: | 2019– |
| Clubs2: | Wisła Płock |
| Nationalyears1: | 2018– |
| Nationalteam1: | Croatia |
| Nationalcaps1: | 15[1] |
| Nationalgoals1: | 21 |
Leon Šušnja (born 5 August 1993) is a Croatian handball player for Wisła Płock and the Croatian national team.[2]