Costinha is a Portuguese nickname. It may refer to:
Costinha (humorist) (1923–1995), born Lírio Mário da Costa, Brazilian actor and showman Paulo Costinha (born 1973), Portuguese former football goalkeeper Costinha (born 1974), born Francisco José Rodrigues da Costa Júnior, Portuguese former football midfielder and manager Costinha (footballer, born 1992), born João José Pereira da Costa, Portuguese football midfielder Costinha (footballer, born 1994), born Pedro Miguel Neves da Costa, Portuguese football centre-back Costinha (footballer, born 2000), born João Pedro Loureiro da Costa, Portuguese football right-back