Gloria Lasso (25 November 1922 – 4 December 2005) was a Spanish-born singer, long based in France. In the fifties, she was one of the major competitors to Dalida.

Born as Rosa María Coscolin in Vilafranca del Penedès, Catalonia, she achieved a degree of fame and success in the 1950s and 1960s, with songs such as Amour, castagnettes et tango (1955), Etranger au paradis (1956, a French version of Stranger in paradise by Tony Bennett), Buenas noches mi amor (1957) and Bon voyage (1958).

Eventually superseded by Dalida, she moved to Mexico, but attempted a come back in France in 1985 at the Paris Olympia. She was reportedly married six times.

She died from a myocardial infarction, aged 83, at her Cuernavaca, Mexico home.