Groundswell

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