"Undertow" is a song by the American indie rock band Warpaint. It is the third track and lead single from the band's debut studio album The Fool, and was released on September 21, 2010 on Rough Trade Records. Described by the band as an homage to the Nirvana song "Polly", "Undertow" received favorable acclaim and placed in the United Kingdom's Independent Singles and Independent Breakers charts upon its release. A limited edition double A-side single was released as part of Record Store Day 2012.