| Adilson | |
| Fullname: | Adilson Soares Cassamá |
| Birth Date: | 20 April 1983 |
| Birth Place: | Bissau, Guinea-Bissau |
| Position: | Defensive midfielder |
| Youthyears1: | 1995–1998 |
| Youthclubs1: | Porto |
| Youthyears2: | 1998–1999 |
| Youthclubs2: | Rio Ave |
| Youthyears3: | 1999–2000 |
| Youthclubs3: | União Lamas |
| Years1: | 2000–2002 |
| Caps1: | 54 |
| Goals1: | 5 |
| Years2: | 2002–2003 |
| Caps13: | 13 |
| Goals2: | 0 |
| Years3: | 2003–2006 |
| Caps3: | 24 |
| Goals3: | 0 |
| Years4: | 2004–2005 |
| Clubs4: | → Estrela Amadora (loan) |
| Caps4: | 17 |
| Goals4: | 0 |
| Years5: | 2005 |
| Clubs5: | → Ovarense (loan) |
| Caps5: | 6 |
| Goals5: | 0 |
| Years6: | 2006 |
| Clubs6: | → Cherno More (loan) |
| Goals6: | 0 |
| Years7: | 2006–2007 |
| Caps34: | 21 |
| Goals7: | 0 |
| Years8: | 2007–2008 |
| Caps8: | 16 |
| Goals8: | 2 |
| Years11: | 2010–2011 |
| Caps11: | 17 |
| Goals11: | 2 |
| Years12: | 2011–2014 |
| Clubs12: | Jeunesse Junglinster |
| Caps12: | 93 |
| Goals12: | 6 |
| Nationalyears1: | 2003-2008 |
| Club-Update: | 1 June 2011 |
Adilson Soares Cassamá (born 20 April 1983), known simply as Adilson, is a Bissau-Guinean former footballer who played as a defensive midfielder. Adilson played for multiple clubs including FC Porto in their youth ranks, União Lamas, C.D. Nacional, C.F. União, C.F. Estrela da Amadora and Jeunesse Junglinster.
He also represented the Guinea-Bissau national football team from 2003 until 2008.