Cydonia

Cydonia commonly refers to:
 * Cydonia (Mars), a region of the planet Mars
 * Cydonia or Kydonia, an ancient settlement at modern Chania in Greece

Cydonia may also refer to:

Music and videogames

 * Cydonia (album), a 2001 album by The Orb
 * "Cydonia", a track on 1999 Crimson Glory album Astronomica
 * Cydonia: Mars - The First Manned Mission, a 1998 videogame
 * "Knights of Cydonia", a 2006 song by Muse

Places

 * Roman Catholic Diocese of La Canea, a Latin Catholic titular see on Crete, Greece

Science

 * Cydonia (genus), the quince genus of plant in the Rosaceae family
 * Cydonia group, a former taxonomic division of the Maleae or apple tribe in the Rosaceae
 * 1106 Cydonia, an asteroid in the main asteroid belt

Other

 * Cydonia, a name for the ancient Greek goddess Athena