| Cheikh Sidy Ba | |
| Birth Date: | 1968 3, df=y |
| Birth Place: | Dakar, Senegal |
| Years1: | 1996 |
| Clubs1: | ASC Diaraf |
| Years2: | 1997–2000 |
| Caps2: | 123 |
| Goals2: | 2 |
| Years3: | 2001–2006 |
| Clubs3: | ASC Diaraf |
| Nationalyears1: | 2000 |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 1 |
Cheikh Sidy Ba (born 31 March 1968) is a Senegalese former footballer who played as a defender.