| Aco Vasiljević | |
| Fullname: | Aleksandar Vasiljević |
| Height: | 1.89 m |
| Birth Date: | 1973 9, df=yes |
| Birth Place: | Čačak, SFR Yugoslavia |
| Position: | forward |
| Years1: | 1994 |
| Clubs1: | Borac Čačak |
| Years2: | 1998 |
| Clubs2: | Obilić |
| Caps2: | 5 |
| Goals2: | 1 |
| Years3: | 1999 |
| Clubs3: | OFK Beograd |
| Years4: | 1999–2002 |
| Caps4: | 13 |
| Goals4: | 5 |
| Years5: | 2000–2001 |
| Caps5: | 4 |
| Goals5: | 1 |
| Years6: | 2004–2005 |
| Years7: | 2005 |
| Clubs7: | HJK Helsinki |
Aleksandar Vasiljević (born 25 September 1973), commonly known as Aco Vasiljević, is a retired Serbian football striker.