| István Mészáros | |
| Birth Date: | 1980 3, df=yes |
| Birth Place: | Szekszárd, Hungary |
| Position: | Midfielder |
| Youthyears1: | 1994–2002 |
| Youthclubs1: | Szekszárd |
| Years1: | 2002–2003 |
| Caps1: | 32 |
| Goals1: | 0 |
| Years2: | 2003–2013 |
| Clubs2: | Paks |
| Caps2: | 62 |
| Goals2: | 0 |
| Years3: | 2013–2016 |
| Caps3: | 29 |
| Goals3: | 0 |
István Mészáros (born 3 March 1980) is a Hungarian former football player.