"Devil Inside" is Hikaru Utada's second English single, released under the name Utada.

Though it gained little mainstream attention, "Devil Inside" did do well on dance radio and hit number 10 on the Billboard Hot Dance Airplay chart, making it Utada's most played track in the United States until it was surpassed by "Come Back to Me".

[1] The single was released on September 14, 2004.

"Devil Inside (Richard Vission Radio Edit)" was featured on the hit US television series Queer as Folk, appearing early in the first episode of season 5.

Devil Inside (RJD2 Mix) was featured on Utada's first English compilation album.