The Diocese of Alaska is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in Alaska. The diocesan chancery is located in Anchorage. The Diocese was founded when Alaska was part of Russia and is one of the oldest in the United States. The Church of the Holy Ascension (1826), which belongs to the Diocese, is one of the oldest American churches. Altogether, twenty-three churches are listed on the National Register of Historic Places; thirty churches are considered National Historic Landmarks. As of 2013, the Diocese includes 89 parishes, which represents the highest concentration of Orthodox Church in America parishes among the states. According to the Los Angeles Times, the diocese had around 30,000 members statewide as of 2006.

Deaneries

The diocese is grouped geographically into deaneries. Each deanery is headed by a parish priest, known as a dean. The deans coordinate activities in their area's parishes, and report to the diocesan bishop. As of 2015, the deaneries of the Diocese of Alaska are:

Bishops

Alaska Vicariate of the North American Diocese Diocese of Alaska