Kestros or Kaystros ( el, Κέστρoς, link=no) may refer to:
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Kestros (weapon)
A ''kestros'' ( gr, κέστρος) or ''kestrophendone'' ( gr, κεστροσφενδόνη), respectively Latinized as ''cestrus'' or ''cestrosphendone'', is a specially designed sling that is used to throw a heavy dart.
The dart would typic ...
, a type of sling used to throw darts
*
Kestros River, an ancient name of the Aksu River in Turkey
** a god of said river
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Kestros (Cilicia), a town of ancient Cilicia, later in Isauria
*
Kestros (Pamphylia), a town of ancient Pamphylia, later in Isauria
{{disambiguation, geo