Washington House may refer to:
Legislature Washington House of Representatives, legislative body of Washington State
Places Washington-Wilkes Historical Museum, Washington, Georgia, on the National Register of Historic Places (NRHP) William B. and Julia Washington House, Leoti, Kansas, on the NRHP George Washington House (Bladensburg, Maryland) Washingtonian Hall, Endwell, New York Bill Washington Ranchhouse, Marietta, Oklahoma, listed on the NRHP in Love County, Oklahoma Heyward-Washington House, Charleston, South Carolina, NRHP-listed William Washington House, an 18th-century house in Charleston, South Carolina George Washington Boyhood Home Site, Fredericksburg, Virginia Mary Washington House, Fredericksburg, Virginia Colonel Lewis William Washington House, Halltown, West Virginia, NRHP-listed Charles Washington House, Charles Town, West Virginia
See also Mount Vernon Washington's Headquarters (disambiguation) George Washington House (disambiguation) Washington Hall (disambiguation) Washington Hotel (disambiguation)