| Mattias Adelstam | |
| Fullname: | Mattias Adelstam |
| Birth Date: | 7 March 1982 |
| Birth Place: | Malmö, Sweden |
| Position: | Forward |
| Youthclubs1: | BK Olympic |
| Years1: | 2002 |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2003 |
| Years3: | 2004 |
| Years4: | 2005 |
| Caps4: | 19 |
| Goals4: | 11 |
| Years5: | 2006 |
| Caps5: | 6 |
| Goals5: | 2 |
| Years6: | 2006 |
| Clubs6: | → IFK Hässleholm (loan) |
| Years7: | 2007–2009 |
| Caps7: | 84 |
| Goals7: | 51 |
| Years8: | 2010–2012 |
| Caps8: | 72 |
| Goals8: | 10 |
| Years9: | 2012–2013 |
| Caps9: | 33 |
| Goals9: | 6 |
| Years10: | 2014 |
| Caps10: | 13 |
| Goals10: | 12 |
| Years11: | 2014 |
| Caps11: | 13 |
| Goals11: | 2 |
| Years12: | 2018 |
| Clubs12: | IFK Rössjöholm |
| Manageryears1: | 2019– |
| Managerclubs1: | Ängelholms FF (assistant) |
| Pcupdate: | 10 August 2015 |
Mattias Adelstam (born 7 March 1982) is a retired Swedish footballer who played for many Swedish clubs as a forward, mainly in Superettan.[1] He became the top scorer in Superettan while playing for Ängelholms FF in 2009.