| Adilson | |
| Fullname: | Nélson Alexandre Vieira Semedo |
| Birth Date: | 25 November 1987 |
| Birth Place: | Lisbon, Portugal |
| Height: | 1.80NaN0 |
| Position: | Winger |
| Currentclub: | Pinhalnovense |
| Youthyears1: | 1996–1999 |
| Youthclubs1: | Alverca |
| Youthyears2: | 2000–2006 |
| Youthclubs2: | Povoense |
| Years1: | 2006–2008 |
| Clubs1: | Povoense |
| Years2: | 2008–2009 |
| Clubs2: | Cartaxo |
| Caps2: | 9 |
| Goals2: | 4 |
| Years3: | 2009–2012 |
| Clubs3: | Futebol Benfica |
| Caps3: | 31 |
| Goals3: | 10 |
| Years4: | 2012–2013 |
| Clubs4: | Atlético |
| Caps4: | 34 |
| Goals4: | 8 |
| Years5: | 2013–2015 |
| Clubs5: | Belenenses |
| Caps5: | 1 |
| Goals5: | 0 |
| Years6: | 2013–2014 |
| Clubs6: | → União Madeira (loan) |
| Caps6: | 37 |
| Goals6: | 3 |
| Years7: | 2015 |
| Clubs7: | → Olhanense (loan) |
| Caps7: | 17 |
| Goals7: | 1 |
| Years8: | 2015–2016 |
| Clubs8: | Varzim |
| Caps8: | 41 |
| Goals8: | 0 |
| Years9: | 2016–2018 |
| Clubs9: | Cova Piedade |
| Caps9: | 55 |
| Goals9: | 1 |
| Years10: | 2018–2019 |
| Clubs10: | Loures |
| Caps10: | 24 |
| Goals10: | 0 |
| Years11: | 2019– |
| Clubs11: | Pinhalnovense |
| Caps11: | 5 |
| Goals11: | 0 |
| Club-Update: | 22 September 2019 |
Nélson Alexandre Vieira Semedo (born 25 November 1987 in Lisbon), known as Adilson, is a Portuguese professional footballer who plays for C.D. Pinhalnovense as a winger.