| Ivan Gajić | |
| Full Name: | Ivan Gajić |
| Birth Date: | 17 May 1979 |
| Birth Place: | Niš, SFR Yugoslavia |
| Nationality: | Serbian |
| Height: | 1.91 m |
| Position: | Goalkeeper |
| Youthclubs1: | Železničar Niš |
| Years1: | 1997–2005 |
| Clubs1: | Železničar Niš |
| Years2: | 2005–2006 |
| Clubs2: | TSV Hannover-Burgdorf |
| Years3: | 2006 |
| Clubs3: | Železničar Niš |
| Years4: | 2006 |
| Clubs4: | Frisch Auf Göppingen |
| Years5: | 2007 |
| Clubs5: | ORK Niš |
| Years6: | 2007–2008 |
| Clubs6: | Bjerringbro-Silkeborg |
| Years7: | 2008–2013 |
| Clubs7: | Gorenje Velenje |
| Years8: | 2013–2014 |
| Clubs8: | Tremblay |
| Years9: | 2014 |
| Clubs9: | Al Ahli Doha |
| Years10: | 2015–2017 |
| Clubs10: | Celje |
| Nationalteam1: | Serbia and Montenegro |
| Nationalyears2: | 2007–2013 |
| Nationalteam2: | Serbia |
Ivan Gajić (; born 17 May 1979) is a Serbian former handball player.
Over the course of his career that lasted for two decades, Gajić played for Železničar Niš (1997–2005 and 2006), TSV Hannover-Burgdorf (2005–2006), Frisch Auf Göppingen (December 2006), ORK Niš (2007), Bjerringbro-Silkeborg (2007–2008),[1] Gorenje Velenje (2008–2013), Tremblay (2013–2014), Al Ahli Doha (2014), and Celje (2015–2017).
At international level, Gajić represented Serbia at the 2013 World Championship. He was previously capped for Serbia and Montenegro.