| Bob Osim | |
| Fullname: | Robert Osim |
| Birth Date: | 1980 7, df=yes |
| Birth Place: | Lagos, Nigeria |
| Currentclub: | UNICEM Rovers F.C. |
| Clubnumber: | 2 |
| Position: | Defender |
| Years1: | 1994–1995 |
| Years2: | 2002 |
| Years3: | 2003 |
| Years4: | 2003 |
| Years5: | 2004 |
| Years6: | 2005 |
| Years7: | 2006–2007 |
| Years8: | 2008– |
| Clubs1: | Calabar Rovers |
| Clubs2: | Sunshine Stars F.C. |
| Clubs3: | Iwuanyanwu Nationale |
| Clubs4: | Enugu Rangers |
| Clubs5: | Enyimba International F.C. |
| Clubs6: | Iwuanyanwu Nationale |
| Clubs7: | Heartland |
| Clubs8: | UNICEM Rovers F.C. |
| Nationalyears1: | 2002–2003 |
| Nationalteam1: | Nigeria |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 0 |
| Pcupdate: | 15:27, 28 October 2007 (UTC) |
| Ntupdate: | 28 October 2007 |
Bob Osim, also written as Bob Usim, (born 15 July 1980, in Lagos, Nigeria) was a Nigerian international footballer. He currently coaches for Calabar Rovers in the second level Nigeria National League.
Osim missed the 2007 season with Heartland because of nagging injuries before being signed to the resurrected Rovers for the 2008/09 season, the team he began his career with.
Bob Osim's main position was defensive midfield but he would also play left back and right back.