Ontario Heritage Square, officially known as Heritage Square Museum, is a museum in Ontario, New York in Wayne County, New York. It is located at the site of the Brick Church Corners, a historic district listed on the National Register of Historic Places in 1973. The district includes the North Ontario Methodist Church, the Pease-Micha Homestead, the Schoolhouse District No. 4, the Ruffell Log Cabin, and the site of a 19th-century sawmill and house. The museum includes several other buildings that have been moved to the site.