"Where Is My Mind?" is a song by American alternative rock band Pixies, originally released as the seventh track on their 1988 debut album, Surfer Rosa. After receiving initial success upon release, the song saw renewed popularity after being featured in the 1999 film Fight Club. It has become the band's signature song and has inspired a multitude of covers while several arrangements of the song have been used in various film, television, and video game soundtracks. The song was ranked at No. 493 on Rolling Stone magazine's 500 Greatest Songs of All Time 2021 list.