"Nobody Wants to Be Lonely" is a song by Puerto Rican singer Ricky Martin from his sixth studio album, Sound Loaded (2000). Martin re-recorded the song along with American singer Christina Aguilera in December 2000. The album version was written by Desmond Child, Victoria Shaw, and Gary Burr and produced by Child; the duet received additional production from Walter Afanasieff. The duet was released by Columbia Records on January 16, 2001, as the second single from the album. A mid-tempo pop song and power ballad with elements of flamenco and Latin music, it is about heartbreak and longing.

Enrique "Ricky" Martín Morales is a Puerto Rican singer, songwriter and actor. He is known for his musical versatility, with his discography incorporating a wide variety of many elements, such as Latin pop, dance, reggaeton, salsa, and other genres. Born in San Juan, Martin began appearing in television commercials at age nine and began his musical career at twelve, as a member of Puerto Rican boy band Menudo. He began his solo career in 1991 while in Sony Music Mexico, gaining recognition in Latin America with the release of his first two studio albums, Ricky Martin (1991) and Me Amaras (1993), both of which were focused on ballads.