Lost

Lost may refer to:

The ABC television series:
* "Lost" (TV series), a drama television series which follows the lives of plane crash survivors who land on a mysterious island
** "", a video game based on the television series

In other cinema or television:
* "Lost" (2001 TV series), a short-lived reality television program
* "Lost" (2004 film), a film starring Dean Cain
* Lost (1956 film).

In fiction:
* "Lost" (novel), a horror / mystery novel by Gregory Maguire

In music:
* "Lost! (song)", a 2008 single by Coldplay
* "Lost" (Cool Calm Pete album), a 2005 album by Cool Calm Pete
* "Lost" (Eightball album), a 1998 album by Eightball
* "Lost" (Faith Hill song), a 2007 single by Faith Hill
* "Lost" (Kreator song), a 1995 single by Kreator
* "Lost" (RTZ album), a 1999 album by RTZ
* "Lost" (Skin song), a 2003 single by Skin
* "Lost", a 1996 song by Korn
* "Lost", a 2001 song by Tristania
* "Lost", a 2004 song by Orbital
* "Lost" (Michael Bublé song), a 2007 single by Michael Bublé
* "Lost", a 2007 song by Avenged Sevenfold
* "Lost", a 2004 song by The Cure
* "Lost" (Menudo song), a 2008 single by Menudo

In places:
* Lost, Aberdeenshire, a tiny hamlet in Scotland

In other usage:
* Confusion, meaning loss of orientation
* "The Lost" (book), a 2006 memoir by Daniel Mendelsohn
* "The Lost" (video game), 2002 vaporware game by Irrational Games
* Mustard gas, also known as Lost, LOST, Schwefel-lost and S-Lost, from "Lommel and Steinkopf", who developed a process for mass producing the gas for war