| Nezinho dos Santos | |
| Position: | Point guard |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lb: | 165 |
| League: | Novo Basquete Brasil |
| Birth Date: | 1981 1, df=yes |
| Birth Place: | Araraquara, Brazil |
| Career Start: | 2000 |
| Career End: | 2021 |
| Years1: | 2000–2006 |
| Team1: | COC Ribeirão Preto |
| Years2: | 2006–2007 |
| Team2: | Brasília |
| Years3: | 2008–2009 |
| Team3: | Limeira |
| Years4: | 2009–2014 |
| Team4: | Brasília |
| Years5: | 2014–2015 |
| Team5: | Limeira |
| Years6: | 2015–2016 |
| Team6: | Franca |
| Years7: | 2016–2018 |
| Team7: | Vasco da Gama |
| Years8: | 2018–2021 |
| Team8: | Universo Brasília |
| Highlights: |
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Welington Reginaldo "Nezinho" dos Santos, also commonly known simply as Nezinho (born 21 January 1981 in Araraquara) is a Brazilian former professional basketball player. He also represented the senior Brazilian national team. At a height of 1.85 m (6'1") tall, he played at the point guard position.
Dos Santos was the Brazilian League's Sixth Man of the Year in 2010.
Dos Santos was a member of the senior Brazilian national basketball team. With Brazil, he played at some of the following major tournaments: the 2005 FIBA AmeriCup, the 2006 FIBA World Cup,[1] the 2007 FIBA AmeriCup, the 2010 FIBA World Cup, and the 2011 FIBA AmeriCup.[2]