Delfim Carlos de Carvalho (13 April 1825, in Rio de Janeiro – 19 May 1896, in Rio de Janeiro), Baron of the Passagem, was a Brazilian naval officer who fought in the War of Paraguay. He was a Chief of Division at the Battle of the Riachuelo. He commanded the squadron that effected the Passage of Humaitá on 19 February 1868. He was also a member of the Supreme Military Justice in 1891.