Hagia Sophia is a mosque and former church in Istanbul, Turkey.

Hagia Sophia or Saint Sophia may also refer to:

Holy Wisdom, a concept in Christian theology

Churches

Australia Saint Sophia Cathedral, Sydney (1928), a Greek Orthodox cathedral in Paddington, Sydney, New South Wales St Sophia Greek Orthodox Church (), a Greek Orthodox church in Surry Hills, Sydney, New South Wales

Belarus Saint Sophia Cathedral in Polotsk (11th century), a cathedral in Polotsk

Bulgaria Saint Sofia Church, Sofia (6th century), a church in Sofia Hagia Sophia Church, Nesebar (9th century), a church in Nesebar

China Saint Sophia Cathedral, Harbin (1907), a church in Daoli, Harbin City, Heilongjiang Province

Cyprus Saint Sophia Cathedral, Nicosia (11th century), a former church in Nicosia; now a mosque since 1570

Greece Hagia Sophia, Thessaloniki, an 8th century church Hagia Sophia, Drama, a 10th century church Hagia Sophia, Monemvasia, a 12th century church Hagia Sophia, Mystras, a 14th century church

North Macedonia Saint Sophia, Ohrid (9th century), a church in Ohrid

Russia Saint Sophia Church, Moscow (17th century), a church in Moscow Saint Sophia Cathedral in Novgorod (11th century), a church in Novgorod Saint Sophia Cathedral, Pushkin (1788), a cathedral in Pushkin, St. Petersburg Saint Sophia Cathedral, Vologda (1570), a Russian Orthodox cathedral in Vologda

Turkey Little Hagia Sophia (6th century), originally a church in Constantinople, now a mosque Hagia Sophia, İznik (6th century), originally a church in Nicaea, now a mosque Hagia Sophia, Trabzon (13th century), originally a church in Trabzon, now a mosque

Ukraine Saint Sophia Cathedral, Kyiv (11th century), a cathedral in Kyiv Saint Sophia Cathedral, Zhytomyr (1748), a cathedral in the Roman Catholic Diocese of Kyiv-Zhytomyr

United Kingdom Saint Sophia Cathedral, London (1882), a cathedral in London

United States Saint Sophia Cathedral, Los Angeles (1952), a cathedral in Los Angeles Saint Sophia Cathedral (Washington, D.C.) (1951), a cathedral in Washington, D.C.

Other uses SS Aghia Sophia, a 1896 passenger ferry better known as SS Sussex Agia Sophia Stadium, Nea Filadelfeia, Greece

See also Ayasofya Mosque (disambiguation) Holy Wisdom (iconography) Sancta Sophia College, University of Sydney Sofia (disambiguation) Sofia Church (disambiguation) Sophia (disambiguation) Santa Sofia (disambiguation)