Alexander House may refer to:

United States (by state then city) Old Alexander House, Magnolia, Arizona, listed on the National Register of Historic Places (NRHP) in Columbia County Ashley-Alexander House, Scott, Arizona, NRHP-listed in Lonoke County Alexander House (Salida, Colorado), NRHP-listed Cecil and Hermione Alexander House, Atlanta, Georgia, NRHP-listed Alexander-Cleveland House, Ruckersville, Georgia, NRHP-listed in Georgia Gilbert-Alexander House, Washington, Georgia, NRHP-listed in Georgia Alexander House (Boise, Idaho), NRHP-listed in Idaho Alexander Plantation House, Midway, Kentucky, NRHP-listed in Kentucky Allen-Alexander House, Paris, Kentucky, NRHP-listed in Kentucky Simeon Alexander Jr. House, Northfield, Massachusetts, NRHP-listed in Massachusetts Arad Alexander House, Worcester, Massachusetts, NRHP-listed in Massachusetts Alexander and Busey Houses, Kalispell, Montana, NRHP-listed in Montana Ryons-Alexander House, Lincoln, Nebraska, NRHP-listed in Nebraska Mrs. Minnie Alexander Cottage, Asheville, North Carolina, NRHP-listed in North Carolina Hezekiah Alexander House, Charlotte, North Carolina, NRHP-listed in North Carolina Neal Somers Alexander House, Charlotte, North Carolina, NRHP-listed in North Carolina William T. Alexander House, Charlotte, North Carolina, NRHP-listed in North Carolina Dr. William S. Alexander House, Oxford, Ohio, NRHP-listed in Ohio Alexander–Hill House, Seneca, South Carolina, NRHP-listed in South Carolina Alexander House (Spartanburg, South Carolina), NRHP-listed in South Carolina John Alexander House, Maryville, Tennessee, NRHP-listed in Tennessee Alexander-Campbell House, Abilene, Texas, NRHP-listed in Texas William D. Alexander House, Provo, Utah, NRHP-listed in Utah Milldean and Alexander-Davis House, Grafton, Vermont, NRHP-listed in Vermont Alexander-Withrow House, Lexington, Virginia, NRHP-listed in Virginia James Alexander House, Spottswood, Virginia, NRHP-listed in Virginia

United Kingdom Alexander House, Corsham, a grade II* listed house at High Street, Corsham, Wiltshire, England