"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). The song is written by Estefan and produced by her husband, Emilio Estefan, Jr. It reached number one in the US, where it became her second number-one single on the US Billboard Hot 100 and was also certified Gold.

Gloria María Milagrosa Estefan is a Cuban-American singer, actress, and businesswoman. Estefan is an eight-time Grammy Award winner, a Presidential Medal of Freedom recipient, and has been named one of the Top 100 greatest artists of all time by both VH1 and Billboard. Estefan's record sales exceed 100 million worldwide, making her one of the best-selling female singers of all-time. Many of Estefan's songs became international chart-topping hits, including "1-2-3", "Don't Wanna Lose You", "Coming Out of the Dark", "Turn the Beat Around", and "Heaven's What I Feel". Other hits include "Bad Boy", "Rhythm Is Gonna Get You", "Get On Your Feet", and "You'll Be Mine ".