Number One Gun is a Christian rock band from Chico, California, that was most recently signed to Tooth & Nail Records. They self-released their debut EP Forever in 2002, before releasing their follow-up albums Celebrate Mistakes (2003) on Floodgate Records and Promises for the Imperfect (2005) on Tooth & Nail Records.

In 2006, members of Number One Gun decided to move on to different projects. Schneeweis created a new band called The North Pole Project, Keene and Mallory formed Surrogate, and Sellers moved on to play bass in the band Armed for Apocalypse.