Life force or lifeforce may refer to: Spirit (vital essence), in folk belief, the vital principle or animating force within all living things Vitality, ability to live or exist Vitalism, the belief in the existence of vital energy Energy (esotericism), a concept in spirituality and alternative medicine Prana, the Sanskrit word for "life force" or "vital principle" Qi, or chi, an active principle forming part of any living thing (translated as "natural energy", "life force", or "energy flow") Élan vital (roughly translated as "vital impetus" or "vital force"), a philosophical term coined by Henri Bergson in 1907 Vijñāna (translated as "consciousness," "life force", "mind" or "discernment") Art and entertainment Life Force (album), a 1967 album by American saxophonist Eric Kloss Lifeforce (film), a 1985 science fiction-horror film Life Force (video game), an alternate version of the 1986 video game Salamander A Life Force, a 1988 graphic novel by Will Eisner Life Force (sculpture), a 1992 sculpture at Columbia University, New York City Life Force, a 1992 novel by Fay Weldon Lifeforce Records, a 1995 record label Life Force (TV series), a 2000 British science fiction television series LifeForce, a fictional group of traveling doctors in Africa, within the 2004 Hong Kong television series The Last Breakthrough