Groundswell may refer to: Swell (ocean), a type of ocean wave
Music Groundswell (album), a 2003 album by Parts & Labor, or its title song Three Days Grace or Groundswell, a Canadian rock band Groundswell, a band created by Jonn Penney
Other uses Ground Swell, a 1939 painting by Edward Hopper Groundswell (organization), a non-profit organization based in Washington, D.C. Groundswell (comics), a supervillain from DC Comics Groundswell (book), a 2008 book by Charlene Li and Josh Bernoff Groundswell: The Second Diva Book of Short Stories Groundswell group, a political action group Groundswell NZ, a farming advocacy and protest group in New Zealand Groundswell (film), a 2026 documentary