Flotsam and Jetsam is a thrash metal band that formed in Phoenix, Arizona in 1981. The band currently consists of vocalist Eric A. Knutson, guitarists Michael Gilbert and Steve Conley, bassist Michael Spencer and drummer Jason Bittner. Flotsam and Jetsam went through several lineup changes over the years, and Knutson has been the only constant member of the band.

Flotsam and Jetsam have released twelve studio albums in their career (the latest being 2016's Flotsam and Jetsam), and have sold over one million records worldwide. The band's most successful records are No Place for Disgrace (1988), When the Storm Comes Down (1990) and Cuatro (1992); the former of the two reached #143 and #174 respectively on the Billboard 200 chart, while Cuatro peaked at #30 on the Heatseekers chart.