Hartwell House may refer to: in England Hartwell House, Buckinghamshire in the United States (sorted by state, then city/town) John S. Hartwell House, Pasadena, CA, listed on the National Register of Historic Places (NRHP) in Los Angeles County, California Hartwell House (Reading, Massachusetts), NRHP-listed George H. Hartwell House, Southbridge, Massachusetts, NRHP-listed Samuel Hartwell House, Lincoln, Massachusetts Samuel C. Hartwell House, Southbridge, Massachusetts, NRHP-listed W. W. Hartwell House & Dependencies, Plattsburgh, New York, NRHP-listed