Leuconoe or Leukonoe (), or Leuconoeum or Leukonoion (ÃÂõàúÃÂýÿùÿý), or Leukonefs (ÃÂõàúÿýÿùõÃÂÃÂ) was a deme of ancient Attica of the phyle of Leontis.
Its site is tentatively located near modern Peristeri.