The Church of Saints Peter and Paul (Polish: Kościół ŚŚ Piotra i Pawła) is a Roman Catholic Polish Baroque church located at 54 Grodzka Street in the Old Town district of Kraków, Poland. It was built between 1597–1619 by Giovanni Maria Bernardoni who perfected the original design of Józef Britius. It is the biggest of the historic Churches of Kraków in terms of seating capacity. Since 1842 it serves the Catholic All Saints parish.