"Don't Wanna Lose You" is a song by Cuban-American singer-songwriter Gloria Estefan, released on June 21, 1989, as the first single by Epic Records from her debut solo album, Cuts Both Ways (1989).

"Se tenho que te perder", (also translated as "If I've Got to Lose You") is the Portuguese version of this song, and was released as a single in Brazil, and as a bonus track on international editions of Estefan's Into the Light album.

[4] Bill Coleman from Billboard wrote that the "emotive slow number" "I Don't Wanna Lose You" showcases the singer's "sensitive vocal.

"[7] Jerry Smith from Music Week declared it as "another epic ballad, superbly sung and sure to see the Miami sound gain prominence this side of the Atlantic.

[15] In a 2016 review of the album, Pop Rescue found that "I Don't Wanna Lose You" sees Estefan "pitched against a wonderful synthscape and simple pop-rock beat.

Il Divo, the vocal quartet of male singers; Swiss tenor Urs Buhler, Spanish baritone Carlos Marin, American tenor David Miller and French pop singer Sébastien Izambard, along with Colombian producer winner of multiple Grammy Latino Julio Reyes Copello, recorded the song for the album Amor & Pasión from Il Divo (2015).