Marmoset is an indie rock band based in Indianapolis, Indiana, USA, that was formed on Jan. 1, 1995. The band's members are Jorma Whittaker (bass and vocals), Dave Jablonski (guitar and vocals), and Jason Cavan (drums). Frequent contributor and former full-time member LonPaul Ellrich died in 2008. The vinyl repressing of the album Record in Red was dedicated to his memory.

Marmoset has multiple releases on the Secretly Canadian label. In 2009 Marmoset signed to Joyful Noise Recordings.