St. Wenceslaus (Polish: Kościół Świętego Wacława) is a church of the Roman Catholic Archdiocese of Chicago located at 3400 North Monticello Avenue in the Avondale neighborhood of Chicago, Illinois. One of the many Polish churches visible from the Kennedy Expressway, is along with St. Hyacinth Basilica, one of two monumental religious edifices that dominates the Avondale skyline. It is well known for its unique architecture, as well as being the site where photographer and historic preservationist Richard Nickel was married.