| Aleksandar Kalanj | |
| Position: | Power forward |
| Height M: | 2.08 |
| Birth Date: | 30 May 1986 |
| Birth Place: | Belgrade, SR Serbia, Yugoslavia |
| Nationality: | Serbian |
| Draft Year: | 2008 |
| Career Start: | 2007 |
| Years1: | 2007–2008 |
| Team1: | Spartak Pleven |
| Years2: | 2008–2009 |
| Team2: | Slavija Istocno Sarajevo |
| Years3: | 2009–2010 |
| Team3: | Napredak Kruševac |
| Years4: | 2010–2011 |
| Team4: | CS Energia Rovinari |
| Years5: | 2011–2012 |
| Team5: | Rabotnički |
| Years6: | 2012 |
| Team6: | Zemun |
| Years7: | 2013 |
| Team7: | Pelister |
| Years8: | 2013 |
| Team8: | Lirija |
| Years9: | 2013–2014 |
| Team9: | CSU Pitești |
| Years10: | 2014–2015 |
| Team10: | Mladost Mrkonjić Grad |
| Years11: | 2015 |
| Team11: | Zornotza ST |
| Years12: | 2015–2018 |
| Team12: | Sarno Basket |
| Years13: | 2020–2023 |
| Team13: | Železničar Inđija |
Aleksandar Kalanj (born May 30, 1986) is a Serbian professional basketball player who last played for Železničar Inđija.