"Spaz" is a song by American rock and hip-hop band N.E.R.D.

Billboard Bubbling Under Hot 100 Singles chart upon release in 2008.

The group performed the song at the 2008 BET Hip Hop Awards, and were joined on stage by fellow American rappers Lil Wayne, Busta Rhymes, T-Pain, Swizz Beatz and Common (who had performed "Universal Mind Control" with Pharrell before the song).

The music video for the single, shot in black-and-white, features live footage of a Brixton Academy concert on June 14, 2008 and at Madison Square Garden during Kanye West's Glow in the Dark Tour.

The song was featured on NBA 2K9, NBA Live 09, Zune AD and the reveal trailer of Watch Dogs 2, which later became the official Radio in-game track.