Duncan House

Duncan House or Duncan Farm may refer to:

In Australia

• Duncan House (Castlecrag), a heritage-listed house in Sydney suburb of Castlerag

In the United States

(by state then city)

• Father William Duncan House, Metlakatla, AK, listed on the NRHP in Alaska
• Duncan House (Harrison, Arkansas), listed on the NRHP in Arkansas
• Hersey-Duncan House, Wilmington, DE, listed on the NRHP in Delaware
• Harry C. Duncan House, Tavarcs, FL, listed on the NRHP in Florida
• Horace Duncan House, Lake City, FL, listed on the NRHP in Florida
• Strange-Duncan House, Carnesville, GA, listed on the NRHP in Georgia
• Duncan Farm (Grafton, Illinois), listed on the NRHP in Illinois
• Smith-Duncan House and Eastman Barn, Grafton, IL, listed on the NRHP in Illinois
• Joseph Duncan House, Jacksonville, IL, listed on the NRHP in Illinois
• Duncan Manor, Towanda, IL, listed on the NRHP in Illinois
• Trippett-Glaze-Duncan Farm, Patoka, IN, listed on the NRHP in Indiana
• John M. Duncan House, Winterset, IA, listed on the NRHP in Iowa
• Duncan-Duitsman Farm Historic District, George, IA, listed on the NRHP in Iowa
• Charles Duncan House, Lawrence, KS, listed on the NRHP in Kansas
• Henry Duncan House, Bloomfield, KY, listed on the NRHP in Kentucky
• Bradshaw-Duncan House, Crestwood, KY, listed on the NRHP in Kentucky
• Duncan House (Franklin, Kentucky), listed on the NRHP in Simpson County, Kentucky
• Duncan House (Greenville, Kentucky), contributing building in South Cherry Street Historic District
• J. W. Duncan House, Nicholasville, KY, listed on the NRHP in Kentucky
• Stuart E. and Annie L. Duncan Estate, Louisville, KY, listed on the NRHP in Kentucky
• Duncan House (Springfield, Kentucky), listed on the NRHP in Washington County, Kentucky
• Beecher H. Duncan Farm, Westfield, ME, listed on the NRHP in Maine
• Andrews-Duncan House, Raleigh, NC, listed on the NRHP in North Carolina
• Robert P. Duncan House, Bexley, OH, listed on the NRHP in Ohio
• Donald C. Duncan House, a Frank Lloyd Wright-designed house in Polymath Park in Acme, Pennsylvania
• Bishop William Wallace Duncan House, Spartanburg, SC, listed on the NRHP in South Carolina
• Wright-Henderson-Duncan House, Granbury, TX, listed on the NRHP in Texas
• Duncan, John, Harriet, and Eliza Jennett, House, Centerville, UT, listed on the NRHP in Utah
• Holland-Duncan House, Moneta, VA, listed on the NRHP in Virginia