Carystus or Carystos (; or , ) or Carycus, in Greek mythology, was the son of Chiron and a nymph Chariclo, brother of Hippe, Endeïs and Ocyrhoe. Carystus was the father of Zarex, and also, a certain Aristaeus. In another version of the myth, his son Petraeus was the father of Zarax instead. The town of Carystus on Euboea took the name from him.