| Nelsinho | |
| Fullname: | Nélson Barbosa Conceição |
| Birth Date: | 1988 1, df=yes |
| Birth Place: | Bahia, Brazil |
| Position: | Left-back |
| Currentclub: | Jeunesse Canach |
| Clubnumber: | 84 |
| Years1: | 2008 |
| Years2: | 2010 |
| Years3: | 2011 |
| Caps3: | 4 |
| Goals3: | 0 |
| Years4: | 2011 |
| Clubs4: | Toledo |
| Years5: | 2012 |
| Caps5: | 19 |
| Goals5: | 0 |
| Years6: | 2012 |
| Years7: | 2012–2014 |
| Caps7: | 67 |
| Goals7: | 0 |
| Years8: | 2014–2018 |
| Clubs8: | Arouca |
| Caps8: | 47 |
| Goals8: | 1 |
| Years9: | 2018–2019 |
| Clubs9: | Doxa Katokopias |
| Caps9: | 22 |
| Goals9: | 0 |
| Years10: | 2019 |
| Clubs10: | Vilafranquense |
| Caps10: | 2 |
| Goals10: | 0 |
| Years11: | 2020 |
| Clubs11: | Doxa Katokopias |
| Caps11: | 5 |
| Goals11: | 0 |
| Years12: | 2020–2021 |
| Years13: | 2021–2022 |
| Clubs13: | Paris 13 Atletico |
| Caps13: | 16 |
| Goals13: | 0 |
| Years14: | 2023– |
| Clubs14: | Jeunesse Canach |
| Caps14: | 14 |
| Goals14: | 0 |
| Club-Update: | 1 June 2024 |
Nélson Barbosa Conceição (born 1 January 1988), simply known as Nelsinho, is a Brazilian professional footballer who plays as a left-back for Luxembourg Division of Honour club Jeunesse Canach.
On 29 May 2014, Nelsinho signed for Arouca in the Primeira Liga for a free transfer.[1]