Leuctrum or Leuktron (), was a deme (dependent township) of Rhypes, a city in Achaea, mentioned by the ancient geographer Strabo. One suggested location for it is the fortified hill of Agios Konstantinos southwest of modern Leontio, Achaia.G.Z. Alexopoulou, Συμβολή στην αρρχαιολογία και τοπογραφία της Αζανίας (2009), 513
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