Halley may refer to:
Science Halley's Comet, officially designated 1P/Halley, a comet that becomes visible from Earth every 75-76 years Halley (lunar crater), a lunar crater named after Edmond Halley Halley (Martian crater), a Martian crater named after Edmond Halley Halley Research Station, a British research facility on the Brunt Ice Shelf floating on the Weddell Sea in Antarctica
Entertainment Halley (nightclub), a defunct Argentine nightclub "Halley" (song), the Turkish entrant to the Eurovision Song Contest 1986 "Halley" (film), a 2012 Mexican horror movie
People Halley (surname), multiple people Edmond Halley (1656–1742), English astronomer Halley (given name), multiple people Halley, a pink anthropomorphic rabbit in the preschool TV series Astroblast!
Ships Halley (ship)
See also Haley (disambiguation) Halle (disambiguation) Hailey (disambiguation) Hayley (disambiguation) Hali (disambiguation)