| Valdin | |
| Fullname: | João Batista do Nascimento Carvalho |
| Birth Date: | 23 June 1979 |
| Birth Place: | Fortaleza, Brazil |
| Height: | 1.680NaN0 |
| Position: | Winger Pivot |
| Currentclub: | URCA JN |
| Clubnumber: | 13 |
| Years1: | –2002 |
| Clubs1: | Sumov |
| Years2: | 2002–2003 |
| Clubs2: | Camocim |
| Years3: | 2004 |
| Clubs3: | Palmeiras (GO) |
| Years4: | 2005–2007 |
| Clubs4: | Jaraguá |
| Years5: | 2007–2009 |
| Clubs5: | AFF |
| Years6: | 2010 |
| Clubs6: | Jaraguá |
| Years7: | 2011 |
| Clubs7: | Santos |
| Years8: | 2012–2014 |
| Clubs8: | Joinville |
| Years9: | 2015 |
| Clubs9: | Corinthians |
| Years10: | 2016–2017 |
| Clubs10: | Assoeva |
| Caps10: | 45 |
| Goals10: | 14 |
| Years11: | 2018– |
| Clubs11: | Carlos Barbosa |
| Caps11: | 15 |
| Goals11: | 5 |
| Nationalyears1: | 2005– |
| Nationalteam1: | Brazil |
| Pcupdate: | 00:00, 7 March 2019 (UTC) |
João Batista do Nascimento Carvalho (born 23 June 1979), known as Valdin, is a Brazilian futsal player who plays as a winger for Esporte Clube URCA JN[1] and the Brazilian national futsal team.[2] Valdin holds the record of the most goals scored in a single international game, when he scored 20 goals in a 76-0 win over Timor-Leste in the 2006 Lusophony Games.[3]