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 (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
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