| Mustapha Oussalah | |
| Birth Date: | 1982 2, df=yes |
| Birth Place: | Liège, Belgium |
| Height: | 1.77m |
| Position: | Midfielder |
| Years1: | 2000–2003 |
| Caps1: | 28 |
| Goals1: | 0 |
| Years2: | 2004 |
| Caps2: | 16 |
| Goals2: | 1 |
| Years3: | 2005 |
| Clubs3: | → Eupen (loan) |
| Caps3: | 12 |
| Goals3: | 0 |
| Years4: | 2005–2008 |
| Caps4: | 65 |
| Goals4: | 8 |
| Years5: | 2006–2007 |
| Clubs5: | → Standard Liège (loan) |
| Caps5: | 9 |
| Goals5: | 0 |
| Years6: | 2009–2014 |
| Caps6: | 139 |
| Goals6: | 12 |
| Years7: | 2014–2016 |
| Caps7: | 6 |
| Goals7: | 0 |
| Years8: | 2015–2016 |
| Clubs8: | → Mouscron (loan) |
| Caps8: | 27 |
| Goals8: | 1 |
| Years9: | 2017 |
| Clubs9: | Sprimont Comblain |
| Caps9: | 7 |
| Goals9: | 0 |
| Nationalyears1: | 2003 |
| Nationalteam1: | Morocco |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Mustapha Oussalah (born 19 February 1982) is a former professional footballer who played as a midfielder. Born in Belgium, Oussalah represented Morocco internationally.
Born in Liège, Oussalah started in January 2009 as a central midfielder for KV Kortrijk, after being transferred from Excelsior Moeskroen. In his youth, he played at Tilleur-Liégeois and RFC Seraing. Before the 2014–15 season, he moved, together with his coach Hein Vanhaezebrouck of KV Kortrijk, to KAA Gent.