|Birth name||Alcibiades Alfonso Acosta Cervantes|
|Also known as||Alci Acosta|
|Born||5 November 1938|
Soledad, Atlántico, Colombia
|Genres||bolero, pasillo, corrido, valse, ranchera|
|Associated acts||Julio Jaramillo|
Alci Acosta (born Alcibiades Alfonso Acosta Cervantes on 5 November 1938) is a Colombian singer, pianist, and performer of Latin American music including boleros, pasillos, corridos, valses, and rancheras.
Acosta's best-selling single to date is "Traicionera" which has sold over 1,300,000 copies across Latin America. 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".
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).