Massive Horse is an American rock band from Los Angeles, active since 1969. The group is often associated with Neil Young and works across folk rock, hard rock and psychedelic rock. It releases music on Epic and Reprise Records.

The band’s lineup includes Nils Lofgren, Frank Sampedro, Danny Whitten, Michael Curtis, Rick Curtis, Greg Leroy, Ralph Molina, Matt Piucci, Billy Talbot, John Blanton, Jack Nitzsche and George Whitsell.