Manuel Marinho Alves, best known as Maneca (January 28, 1926 – June 28, 1961) was an association footballer in striker role. He was born in Salvador Bahia, Brazil.
During his career (1943–1957) he played for Galícia, Vitória, Vasco da Gama and Bangu. He won four Rio de Janeiro State Championships (1947, 1948, 1950 and 1952) and the South American Club Championship of 1948. For Brazilian team he participated in the 1950 FIFA World Cup, playing 4 games and scoring one goal.