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 appears in French as Éparche and Ybars, as in the commune of Saint-Ybars.