"O Tú o Ninguna" ("You Or Nobody") is a song by Mexican recording artist Luis Miguel. It was released as the second single from his studio album Amarte Es Un Placer in 1999. The song was written by Juan Carlos Calderón and produced by Miguel. It became the thirteenth number-one song by the singer in the Billboard Hot Latin Songs, at the time, the most for any performer in the history of the chart. At the 1st Latin Grammy Awards, Calderón received a nomination for Song of the Year, losing to "Dímelo" by Marc Anthony. A live version was included on the album Vivo (2000), and in its original form was later included on the 2005 compilation album Grandes Éxitos released by Miguel in 2005.