Problemas was a monthly political magazine published in Rio de Janeiro, Brazil. It was subtitled Revista Mensal de Cultura Política. The magazine was first published in August 1947. It was the media outlet of the Brazilian Communist Party. The publisher was the central committee of the party. It included only translations without covering the events in Brazil. The magazine ceased publication in 1957.
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- Carmen Nava; Ludwig Lauerhass Jr. (9 March 2006). Brazil in the Making: Facets of National Identity. Rowman & Littlefield Publishers. p. 88. ISBN 978-0-7425-7201-0. Retrieved 18 February 2017.