Halley

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!