The Post Mills Church is an historic church at 449 Vermont Route 244 in the Post Mills village of Thetford, Vermont. Built in 1855 and remodeled in 1855, it is an excellent example of Greek Revival architecture, with extremely rare late 19th century stencilwork on its interior walls and ceiling. It was listed on the National Register of Historic Places in 1992. The congregation is affiliated with the United Church of Christ.