| Dejan Janković | |
| Fullname: | Dejan Janković |
| Birth Date: | 6 January 1986 |
| Birth Place: | Bečej, SFR Yugoslavia |
| Height: | 1.82 m |
| Position: | Central midfielder |
| Years1: | 2004–2005 |
| Clubs1: | Jedinstvo Ub |
| Caps1: | 3 |
| Goals1: | 0 |
| Years2: | 2005 |
| Clubs2: | Hajduk Beograd |
| Caps2: | 6 |
| Goals2: | 0 |
| Years3: | 2006–2008 |
| Clubs3: | Radnički Obrenovac |
| Caps3: | 57 |
| Goals3: | 9 |
| Years4: | 2008–2011 |
| Clubs4: | Srem |
| Caps4: | 91 |
| Goals4: | 6 |
| Years5: | 2012 |
| Clubs5: | Radnički Obrenovac |
| Caps5: | 12 |
| Goals5: | 3 |
| Years6: | 2012–2013 |
| Clubs6: | Leotar[1] |
| Caps6: | 24 |
| Goals6: | 5 |
| Years7: | 2013 |
| Clubs7: | Voždovac |
| Caps7: | 1 |
| Goals7: | 0 |
| Years8: | 2014–2016 |
| Clubs8: | Velež Mostar |
| Caps8: | 42 |
| Goals8: | 10 |
| Years9: | 2016–2018 |
| Clubs9: | Radnik Bijeljina |
| Caps9: | 39 |
| Goals9: | 4 |
| Years10: | 2020–2022 |
| Clubs10: | Radnički Sremska Mitrovica |
| Caps10: | 48 |
| Goals10: | 3 |
| Pcupdate: | 13 August 2021 |
Dejan Janković (Serbian Cyrillic: Дејан Јанковић; born 6 January 1986) is a Serbian retired football midfielder who last played for Radnički Sremska Mitrovica.