St. Procopius Church (Czech: Kostel svatého Prokopa) is the parish church of the district of Žižkov in Prague, Czech Republic. Dedicated to the patron saint of Bohemia, Procopius of Sázava, the three-aisled Neo-Gothic church, located at Sladkovského Square on Seifertova Street, was designed by Bohemian architects Josef Mocker (who completed St. Vitus Cathedral) and František Mikš.