Ghost light or ghostlight may refer to:

• Atmospheric ghost lights, lights (or fires) that appear in the atmosphere without an obvious cause
  • Aleya (Ghost light), in Bengal state of India
  • Brown Mountain Lights, lights that can be seen from the Blue Ridge Parkway in North Carolina, US
  • Cohoke Light, a phenomenon reported near West Point, Virginia
  • Chir Batti in Rann of Kutch area in Gujarat state of India
  • Hessdalen lights, unexplained lights observed in rural central Norway
  • Light of Saratoga, a legend from the Big Thicket region of southeast Texas, US
  • Maco light, occasionally seen between the late 19th century and 1977 in North Carolina, US
  • Marfa lights, a phenomenon reported in west Texas, US
  • Min Min light, an unexplained light phenomenon that has often been reported in outback Australia
  • Naga fireball, a phenomenon said to be seen annually on the Mekong River
  • Paulding Light, a light that appears in a valley outside Paulding, Michigan
  • The Spooklight, a ghost light on U.S. Route 66
  • St. Elmo's fire, a weather phenomenon of an electrical aura
  • St. Louis Light, also known as the St. Louis Ghost Light, Saskatchewan, Canada
  • Will-o'-the-wisp, also called ghost-light in some countries, a natural phenomenon producing a ghostly light sometimes seen at night or twilight over bogs, swamps, and marshes
• Ghost light (theatre), a light left lit overnight in a theater

Things named after ghost light(s)

• Ghost Light (Doctor Who), a 1989 serial from the British TV series
• Ghost Light, a 2010 novel by Joseph O'Connor
• Ghostlight, a 1995 novel by Marion Zimmer Bradley
• Ghostlight Theatre, a theater company in North Tonawanda, New York
• Ghostlights, a 2016 album by German metal supergroup Avantasia
• Mater and the Ghostlight, a 2006 Pixar computer-animated short created for the DVD of Cars
• Ghost Light (2018 film), a 2018 American horror film
• Ghost Light (band), a jam band from Philadelphia, Pennsylvania
• Ghostlight (album), a 2022 album by Finnish rock band Poets of the Fall
• "Ghost Light", a 2022 single by TheFatRat and Everglow