St. Gregory the Illuminator Cathedral is an Armenian Apostolic cathedral located in Glendale, California. It serves as the cathedral church for the Western Diocese of the Armenian Church of North America.
The cathedral is named in honor of St. Gregory the Illuminator, the patron saint and first official head of the Armenian Apostolic Church, who is credited with converting Armenia to Christianity in the early fourth century. Construction of the cathedral began in 1999 and it was consecrated in 2001.
The cathedral's architecture is influenced by traditional Armenian church designs, incorporating elements such as a central dome and a cruciform layout. It serves as a major center for Armenian religious and cultural life in the greater Los Angeles area, hosting regular worship services, community events, and religious education programs. The cathedral is also frequently used for concerts and other cultural performances that are open to the public. Its presence is a significant symbol of the Armenian community's presence and contribution to Glendale and Southern California.