"Inolvidable" ("Unforgettable") is a song written by Julio Gutiérrez in 1944. It is considered one of the most popular boleros released during the Cuban musical movement led by pianists. The song has been recorded by several performers, including Roberto Carlos, Diego El Cigala, Fania All-Stars, Eydie Gormé, Danny Rivera, Tito Rodríguez and Bebo Valdés, among others.

Julio Gutiérrez was a Cuban music director, pianist, composer and arranger. He was one of the main figures in the music scene of Havana in the 1940s and 1950s, and a pioneer of the descarga. As a songwriter, he is remembered for his 1944 bolero "Inolvidable", which has been performed by numerous artists.