João de Barros
João de Barros is the name of the following people:
- João de Barros (historian) (1496–1570), Portuguese historian
- João de Barros (Missionary) (1639–1691), Portuguese missionary
- João de Barros (writer) (1881-1960), Portuguese writer
- João de Barro (1907-2006), Brazilian musician, see Carlos Alberto Ferreira Braga
- João de Barros (athlete) (* 1993), athlete from São Tomé and Príncipe
- João de Barros Barreto (1890–1956), Brazilian doctor and university professor
- João de Barros Cassal (1858–1903), Brazilian politician and journalist
- João de Barros de Correia , Portuguese governor of Paraíba in Brazil
- João de Barros Guerra , Portuguese governor of Pará in Brazil
- João de Barros Ferreira da Fonseca (1899–1968), Portuguese diplomat
- João Petra de Barros (1914–1948), Brazilian singer
- João Ribeiro de Barros (1900-1947), Brazilian pilot