Saint Elizabeth's Church, also known as the Old Stone Church, is a historic church located at 302 East Chicago Boulevard (M-50) in downtown Tecumseh in Lenawee County, Michigan, USA. It was designated as a Michigan Historic Site on May 8, 1986, and later added to the National Register of Historic Places on August 13, 1986. The building was purchased by the City of Tecumseh in 1982 and formally dedicated as the Tecumseh Area Historical Museum in 1986. It continues to serve that purpose.