When may refer to:

Usually a question whose answer refers to time, period or phase.

  • When?, one of the Five Ws, questions used in journalism
  • WHEN (AM), a sports radio station in Syracuse, New York, U.S.
  • WHEN, the former call letters of TV station WTVH in Syracuse


  • When (band), a musical project of Norwegian artist Lars Pedersen
  • When! Records, a UK record label whose artists include Rob Overseer


  • When (album), a 2001 album by Vincent Gallo


  • "When" (Amanda Lear song), 1980
  • "When" (The Kalin Twins song), 1958
  • "When" (Red Vincent Hurley song), the Irish entry in the Eurovision Song Contest 1976
  • "When" (Shania Twain song), 1998
  • "When", by Megadeth from The World Needs a Hero
  • "When", by Opeth from My Arms, Your Hearse
  • "When", by Perry Como
  • "When?", by Spirit from Spirit of '76, 1975
  • "When", by Taproot from Welcome, 2002
  • "When", by Dodie Clark from Intertwined