St. Gregory the Illuminator's Church

St. Gregory the Illuminator's Church may refer to:

• Ruins of Cathedral of St. Gregory the Illuminator in Zvartnots, Armenia built in the 7th century
• Armenian Church, Singapore, an Armenian Apostolic church in Singapore, otherwise known as Church of Saint Gregory the Illuminator, was built in 1835
• St. Gregory the Illuminator's Church, a non-functioning Armenian Apostolic church in Baku, Azerbaijan built in 1887
• Saint Gregory the Illuminator Church, was an Armenian Apostolic church in Tbilisi, was destroyed in 1930's.
• Saint Gregory the Illuminator Church, was an Armenian Apostolic Church in Yerevan, Armenia built in the 19th century and destroyed at the end of the 1940s
• Saint Gregory the Illuminator Cathedral, an Armenian Catholic church in downtown Beirut built in 1940
• Saint Gregory the Illuminator Cathedral, an Armenian church in Cairo, Egypt built in 1928
• Saint Gregory the Illuminator Cathedral, the largest Armenian church in the world, in Yerevan, Armenia built in 2001
• Saint Gregory the Illuminator Church, an Armenian Catholic church in Glendale, California built in 2001