St. Athanasius' Church or variations may refer to:
Albania St. Athanasius' Monastery Church, Leshnicë e Poshtme St. Athanasius Church, Moscopole St. Athanasius' Monastery Church, Erind
Bulgaria Church of St Athanasius, Boboshevo Monastery of Saint Athanasius, Chirpan
Greece Church of St. Athanasius of Mouzaki, Kastoria Church of St Athanasius, Thessaloniki
Italy Sant'Atanasio, Rome Sant'Atanasio a Via Tiburtina, Rome
United States St. Athanasius Episcopal Church and Parish House and the Church of the Holy Comforter, Burlington, North Carolina St. Athanasius Church (Bronx)