Erwin Walter Aal Neto (born 11 September 1968), better known as Netinho, is a Brazilian former professional footballer who played as a right back.
Formed in the youth categories of Curitiba, Netinho also had spells at AvaÃÂ, São Paulo, Atlético Mineiro and Rio Branco-PR.
He represented Brazil in the 1985 FIFA U-16 World Championship.
After retiring Netinho had some experiences as a head coach, but currently works as a youth coordinator at Londrina EC.
Netinho is son of the also footballer Vivi, and brother of Allan Aal, former footballer and currently manager.