"Cuando Me Enamoro" (English: "When I Fall in Love") is a Latin pop song written and performed by Spanish pop singer-songwriter Enrique Iglesias and featuring Dominican singer-songwriter Juan Luis Guerra released on 26 April 2010, as the first single from his ninth studio album.

[2] The song is the main-theme of the Mexican telenovela of the same title starring Silvia Navarro and Juan Soler.

[3] This is the second time since "Nunca Te Olvidaré" that a song of Enrique Iglesias was chosen as the main-theme of a telenovela.

It is the twenty-first time that a song by Iglesias topped on the Billboard Hot Latin Songs[8] since Gracias a Tí (Remix) featuring Wisin & Yandel in 2009 as well as Juan Luis Guerra's seventh time to reach #1 on Hot Latin Tracks.

On the Billboard Hot 100, the song peaked at number #89 and was Iglesias' highest-charting Spanish single of his career at the time, surpassing "Lloro Por Ti", which reached #91.