Saint Sophia Cathedral may refer to:Saint Sophia Cathedral in Harbin, the Russian Orthodox cathedral in Harbin, China Saint Sophia Cathedral in Kyiv, Ukraine Saint Sophia Cathedral, London, United Kingdom Saint Sophia Cathedral in Novgorod, Russia Saint Sophia Cathedral in Polotsk, considered a mother church of Belarus Saint Sophia Cathedral, Vologda, Russia Saint Sophia Cathedral, Washington, DC, USA Saint Sophie Ukrainian Orthodox Cathedral, Montreal, Canada