| Janko Mavrović | |
| Nationality: | Croatian |
| Birth Date: | 24 October 1977 |
| Birth Place: | Rijeka, SFR Yugoslavia |
| Height: | 1,90m |
| Position: | Left wing, Centre back |
| Currentclub: | Retired |
| Clubnumber: | 10 |
| Youthclubs1: | RK Kvarner |
| Years1: | 1994-1995 |
| Clubs1: | RK Kvarner |
| Years2: | 1995-1996 |
| Clubs2: | RK Pećine |
| Years3: | 1996-2001 |
| Clubs3: | RK Crikvenica |
| Years4: | 2001-2003 |
| Clubs4: | RK Zamet Crotek |
| Years5: | 2003-2005 |
| Clubs5: | RK Crikvenica |
| Years6: | 2005-2011 |
| Clubs6: | RK Buzet |
Janko Mavrović (born 24 October 1977) is a former Croatian team handball player who started out in left wing position and was later switched to centre back position.[1]
He played for his local hometown clubs RK Kvarner, RK Pećine, RK Zamet, RK Crikvenica from Crikvenica and RK Buzet from Buzet.[2]