Lost Soul

Lost Soul may refer to:


 * Lost Soul (band), a Polish technical death metal band
 * Lost Soul (play), a 2007 play by David Kirby
 * Lost Soul (2009 film), a 2009 film starring Nick Mancuso
 * Lost Soul: The Doomed Journey of Richard Stanley's Island of Dr. Moreau, a 2014 documentary about the making of the 1996 film The Island of Dr. Moreau
 * Lost Soul, a flying creature in the video game Doom 3: Resurrection of Evil
 * Lost Soul Mountain, a summit in Montana, United States
 * Lost souls, a character type in Soul (2020 film)