St. Patrick's Roman Catholic Church is a historic Roman Catholic church located near Cowansville in Sugarcreek Township, Armstrong County, Pennsylvania, USA, within the Diocese of Greensburg.

Description

St. Patrick's was built in 1805, and is a log building measuring 22 by 35 feet (6.7 m × 10.7 m). It has a gable roof and three windows on each side. It is the oldest Catholic church still standing in Western Pennsylvania.

It was listed on the National Register of Historic Places in 1978.