Lost

Lost could mean:

• Lost, mislaid, and abandoned property
• Lost, Aberdeenshire, a tiny hamlet in Scotland
• Lost Energy, a commercial energy drink
• Mustard gas, from LOmmel and STeinkopf who developed a process for mass-producing the gas for war
• Local Option Sales Tax (LOST), a special-purpose tax often appended to standard state sales tax on certain purchases

In entertainment:

• Lost (TV series), a drama which follows the lives of plane crash survivors who land on a mysterious island
  • Lost (video game), a video game based on the television series
• Lost (2001 TV series), a short-lived reality television program
• Lost (1956 movie), a British thriller directed by Guy Green
• Lost (2004 movie), an American indie thriller starring Dean Cain
• Lost (2001 novel), a revisionist novel by Gregory Maguire
• The Lost, a 2006 memoir by Daniel Mendelsohn
• Lost (Eightball album), a 1998 album by American rapper Eightball
• Lost (RTZ album), a 1999 album by American rock band RTZ
• Lost (Cool Calm Pete album), a 2005 album by American hip hop artist Cool Calm Pete
• "Lost" (Kreator song), a 1995 single by the German thrash metal band Kreator
• "Lost" (song), a 2003 single by English singer Skin