Feodorovskaya Icon Cathedral (also Cathedral of Our Lady Feodorovskaya, Russian: Феодоровский собор) — an Orthodox church in Saint Petersburg, Russia. It belongs to the Central Deanery of the of the Russian Orthodox Church. The cathedral was built in Commemoration of the Romanov Tercentenary. The reinforced concrete building was designed in the style of the Rostov cathedral churches of the era of the accession of Tsar Mikhail Fedorovich Romanov according to the project of (Russian: Степа́н Само́йлович Кричи́нский, 1874–1923).