Abadiu of Antinoe is a saint of the Coptic Church. He was the bishop of Antinoe, and was made a martyr by the Arians. His feast day is December 26. He is referenced in Les Martyrs d'Égypte by Hippolyte Delehaye.

Les Martyrs d'Égypte is a work by Hippolyte Delehaye, included in Analecta Bollandiana #40. It contains references to several saints, including: Abadiu of Antinoe Abāmūn of Tarnūt Kirdjun