"La Incondicional" is a song written, produced, and arranged by Spanish musician Juan Carlos Calderón and performed by Mexican singer Luis Miguel. It was released in 1989 via WEA Latina as the third single from Miguel's sixth studio album, Busca una Mujer (1988). The song became his second #1 single on the Billboard Hot Latin Tracks chart after "Ahora Te Puedes Marchar" in 1987. The song broke several airplay records in Latin America, topping the charts in Mexico, Chile and Peru; and the top-ten in other countries. The success of the song helped push the album to #3 on the Billboard Latin Pop Albums with approximate sales of four million units.