Involuntary means unintended. An involuntary action is one that is unintentional, i.e. without volition or will; see volition (psychology) and will (philosophy). Involuntary may also refer to:

Involuntary (film), a 2008 Swedish film by Ruben Östlund "Involuntary" (Masters of Sex), a 2013 television episode "Involuntary", a song on the M. Ward album Transfiguration of Vincent Involuntary action of the body, also known as reflex Involuntary commitment, psychiatric examination and/or treatment without patient's consent (including inability to give consent) Involuntary Witness, Italian novel Involuntary park, reclaimed urban region Involuntary celibate Involuntary dismissal, court procedure Involuntary unemployment, unemployment based on wage Involuntary euthanasia, criminal form of euthanasia

See also Voluntary (disambiguation)