Alci Acosta (born Alcibiades Alfonso Acosta Cervantes on 5 November 1938) is a Colombian bolero singer, pianist, and performer of Latin American music including pasillos, corridos, valses, and rancheras.

Acosta is a highly successful artist throughout Latin America having partnered with other notable artists such as Ecuadorian singer, Julio Jaramillo, who died in 1978.

Acosta's best-selling single to date is "Traicionera" which has sold over 1,300,000 copies across Latin America.

[1] Other notable hits are "La Cárcel De Sing Sing", "La Copa Rota", "Hola Soledad", "Tango Negro", "Señora Bonita", "El Preso Número 9", and "El Contragolpe".

[2] Acosta has released numerous albums over his career including Tropicales Ilegales, 16 Éxitos De Oro, Mis Mejores Canciones, and Solo Hits (a compilation of hit singles).