Se Me Olvidó (English: "I Forgot") is a song by Peruvian singer-songwriter Gian Marco released by Sony Music Latin and Crescent Moon Records in early 2002 as the lead single of his sixth studio album A Tiempo.

[4] Since its release it has become a major hit in Gian Marco's career and it's considered one of his signature songs.

[6] Due to the success of the song and the album, Billboard named Gian Marco one of the Hot Newcomers To Watch.

[7] The song was a success throughout Latin America, the U.S., and parts of Europe reaching the top spots on the charts.

[8] The success of the song helped spread his fame making him the most famous Peruvian artist at the moment.