Silvinho is a Portuguese nickname for various people with Sílvio given names, it means small Sílvio.
Sylvio Mendes Campos Júnior (born 12 April 1974 in São Paulo, Brazil), commonly known as Sylvinho (sometimes alternatively spelled Silvinho) is a retired Brazilian footballer, who played for Corinthians, Arsenal, Celta Vigo, FC Barcelona and Manchester City.