| Jansik Szilárd | |
| Nationality: | Hungarian |
| Birth Date: | 6 April 1994 |
| Birth Place: | Cegléd, Hungary |
| Height: | 193 cm |
| Weight: | 95 kg |
| L/R: | Right |
| Currentclub: | Ferencváros |
| Years1: | –2013 |
| Clubs1: | KSI |
| Years2: | 2012–2013 |
| Clubs2: | Hungary junior |
| Years3: | 2013–2014 |
| Clubs3: | Szeged |
| Years4: | 2014–present |
| Nationalteam1: | Hungary |
| Show-Medals: | no |
| Updated: | 1 August 2023 |
Szilárd Jansik (born 6 April 1994) is a Hungarian professional water polo player for Ferencváros, and the captain of the Hungarian national team. He competed in the 2020 Summer Olympics.[1]