Winterport Congregational Church, originally and once again the Winterport Union Meeting House, is a historic church at 177 Main Street (U.S. Route 1A) in Winterport, Maine. Built in 1831, it is a prominent little-altered example of Gothic Revival architecture, designed and built by Calvin Ryder, a well-known regional architect and builder. It was listed on the National Register of Historic Places in 1973.