Joãozinho is a nickname of João, meaning "little João", and may refer to:
Joãozinho (footballer, born 1954), Brazilian football forward João Soares Almeida Filho Joãozinho Neto (born 1980), Brazilian football forward Joãozinho (footballer, born 1988), Brazilian football winger João Natailton Ramos dos Santos Joãozinho (footballer, born 1989), Portuguese football left-back João Carlos Reis Graça Joãozinho (footballer, born 1997), Portuguese football midfielder João Pedro Martins Cunha Fernandes