Saint Gregory the Illuminator Church
- Ani
- Armenian Church, Singapore
- Beirut
- Cairo, Egypt
- Cathedral of Saint Elie and Saint Gregory the Illuminator
- Saint Gregory the Illuminator Cathedral, Antelias
- Saint Gregory the Illuminator Cathedral, Yerevan
- Saint Gregory the Illuminator Church, Tbilisi
- Saint Gregory the Illuminator Church, Yerevan
- Saint Gregory the Illuminator's Church, Baku
- St Gregory of Tigran Honents
- St Gregory's Church (disambiguation)
- Turkey
- Zvartnots Cathedral