Thrashers are a group of passerine birds related to mockingbirds and catbirds.

Thrasher may also refer to:

Music

• "Thrasher", a song written and performed by Neil Young, featured on the 1979 album Rust Never Sleeps
• "Thrasher", a song by Evile off of their 2007 album, Enter the Grave
• "Thrasher", a song by Cavalera Conspiracy from their 2011 album Blunt Force Trauma
• Someone who listens to Thrash metal music

Sports

• Thrasher (magazine), an American skateboarding magazine
• Thrasher Presents Skate and Destroy, a skateboarding video game
• Thrasher (wrestler), a ring name of professional wrestler Glenn Ruth
• The Atlanta Thrashers, a professional ice hockey team

Other uses

• Thrasher (surname)
• HMS Thrasher, several different ships
• Thrasher (G.I. Joe), a fictional character in the G.I. Joe universe, member of the Dreadnoks
• Colloquially, a thresher (threshing machine) or combine harvester, particularly an older one