| Sebastian Mwansa | |
| Fullname: | Sebastian Mwansa Chipasha |
| Birth Date: | 1988 9, df=y |
| Birth Place: | Mufulira, Zambia |
| Height: | 1.71 m |
| Currentclub: | Nkwazi F.C. |
| Position: | winger |
| Years1: | 2004–2009 |
| Clubs1: | Green Buffaloes F.C. |
| Years2: | 2010–2011 |
| Clubs2: | TP Mazembe |
| Years3: | 2012 |
| Clubs3: | Power Dynamos F.C. |
| Years4: | 2013–2017 |
| Clubs4: | Green Buffaloes F.C. |
| Years5: | 2018– |
| Clubs5: | Nkwazi F.C. |
| Nationalyears1: | 2005–2012 |
| Nationalteam1: | Zambia |
| Nationalcaps1: | 13 |
| Nationalgoals1: | 0 |
Sebastian Mwansa (born 21 September 1988) is a Zambian football winger who currently plays for Nkwazi F.C.