José Maria Ferreira de Castro (Oliveira de Azeméis, May 24 1898 - Oporto, June 29 1974) was a Portuguese writer and journalist.
At age 12, he emmigated to Brazil, where his work at a rubber plantation for the next four years would be the inspiration for his most famous book, A Selva (1930; The Jungle; filmed 2002).
He returned to Portugal in 1919, and started working as a journalist. He was a noted oppositionist to António de Oliveira Salazar.
He was also famous for his travel literature, namely his book A Volta ao Mundo, recounting his travels around the world in the outset of World War II.