Eparchius may refer to:
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Eparchius Avitus (†456/7), Roman emperor from 455 to 456
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Saint Eparchius
Saint Cybard (or Eparchius, Eparque, Ybar, Ybard, Separchius, Cybar; 504 – 1 July 581) was a monk and a hermit who inhabited a cave beneath the walls of Angoulême for forty-four years. The Latin form of his name is ''Eparchius'', and it also app ...
(†581), Christian hermit
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