Saint Stanislaus Roman Catholic Church Complex is a historic Roman Catholic church complex at 42, 46, 50 Cornell Street, and 73 Reid Street in Amsterdam, Montgomery County, New York. The complex consists of four contributing buildings:
The church is a T-shaped brick building on a foundation of cut limestone. A transept was added in 1912. It features an engaged bell tower with pyramidal roof and finials.
The complex was added to the National Register of Historic Places in 1999.