The New Plymouth Congregational Church is a historic church on Southwest Avenue between West Park and Plymouth in New Plymouth, Idaho. It was built in 1920 and was added to the National Register in 1982.
A review by the Idaho State Historical Society identifies that "The New Plymouth Congregational Church is architecturally significant as a full—scale, monumentally porticoed and pedimented neo-classical revival church which is the outstanding structure in New Plymouth, and which is related to that town's unusual history."