Gustavinho is a nickname, a diminutive for Gustavo. It may refer to:
Gustavinho (basketball) (born 1980), Gustavo de Conti, Brazilian basketball coach and former player Gustavinho (footballer, born 1982), Gustavo Nacarato Veronesi, Brazilian football midfielder Gustavinho (footballer, born 2001), Gustavo César Mendonça Gravino, Brazilian football midfielder Gustavinho (footballer, born 2004), Gustavo Ribeiro Neves, Brazilian football forward