| Stefko Velichkov | |
| Fullname: | Stefko Konstantinov Velichkov |
| Birth Date: | 15 August 1949 |
| Birth Place: | Pleven, Bulgaria |
| Position: | Left back |
| Youthyears1: | 1961–1966 |
| Youthclubs1: | Spartak Pleven |
| Years1: | 1966–1969 |
| Clubs1: | Spartak Pleven |
| Caps1: | 27 |
| Goals1: | 0 |
| Years2: | 1969–1970 |
| Years3: | 1970–1974 |
| Caps3: | 136 |
| Goals3: | 0 |
| Years4: | 1974–1976 |
| Clubs4: | CSKA Sofia |
| Caps4: | 32 |
| Goals4: | 1 |
| Years5: | 1976–1980 |
| Clubs5: | Spartak Pleven |
| Caps5: | 53 |
| Goals5: | 0 |
| Nationalyears1: | 1971–1974 |
| Nationalcaps1: | 26 |
| Nationalgoals1: | 1 |
| Manageryears1: | 1980–1985 |
| Managerclubs1: | Spartak Pleven (assistant) |
| Manageryears2: | 1985–1986 |
| Manageryears3: | 1986–1988 |
| Manageryears4: | 1988–1990 |
| Manageryears5: | 1990–1991 |
| Manageryears6: | 1991–1992 |
| Manageryears7: | 1992–1993 |
| Managerclubs7: | Spartak Pleven |
Stefko Konstantinov Velichkov (Bulgarian: Cтeфко Кoнстaнтинoв Вeличкoв; born 15 August 1949) is a former Bulgarian football defender who played for Bulgaria at the 1974 FIFA World Cup.[1] He also played for Spartak Pleven,[2] Akademik Svishtov, Etar Veliko Tarnovo and CSKA Sofia.