Lourdinha Bittencourt (née Maria de Lourdes Bittencourt; October 30, 1923 – August 19, 1979) was a Brazilian actress and singer who took part in the musical ensemble Trio de Ouro from 1952 to 1957, replacing the lead singer Dalva de Oliveira. She also appeared in telenovelas such as Rosa Rebelde (1969), Véu de Noiva (1969), Irmãos Coragem, (1970), Selva de Pedra (1972), Fogo Sobre Terra (1974), and in films such as Poeira de Estrelas (1948), É Proibido Sonhar (1944) and Obrigado, Doutor (1948). She died in 1979 of a stroke.