Celsinho may refer to:
Celsinho (footballer, born 1950), Brazilian football forward Celso Ferreira Celsinho (footballer, born March 1988), Brazilian football defender Celsonil Santos de Macedo Júnior Celsinho (footballer, born August 1988), Brazilian football midfielder Celso Luís Honorato Júnior Celsinho (footballer, born 1996), Portuguese football defender Celso Casimiro Domingos