Smith Farm or Smith Farmhouse or variations may refer to:

• Sylvester Smith Farmstead, Boswell, Arkansas, listed on the National Register of Historic Places in Izard County, Arkansas
• Smith Farm (Plainfield, Indiana), listed on the National Register of Historic Places in Hendricks County, Indiana
• Samuel G. Smith Farm, Richmond, Indiana, listed on the National Register of Historic Places in Wayne County, Indiana
• Smith Farmhouse (Lake City, Iowa), listed on the National Register of Historic Places in Calhoun County, Iowa
• Smith–Lyon Farmhouse, Southbridge, Massachusetts, listed on the NRHP in Massachusetts
• Orie J. Smith Black and White Stock Farm Historic District, Kirksville, Missouri, listed on the National Register of Historic Places listings in Adair County, Missouri
• Smith–Mason Farm, Harrisville, New Hampshire, listed on the National Register of Historic Places in Cheshire County, New Hampshire
• Henry Smith Farmstead, Huntington Station, New York, listed on the National Register of Historic Places in Huntington (town), New York
• Henry Tunis Smith Farm, Nassau, New York, listed on the National Register of Historic Places in Rensselaer County, New York
• Smith Family Farm, the boyhood home of Joseph Smith, founder of Mormonism, and site of early historic events in the religion.
• Edward Smith Jr. Farm, Washington Court House, Ohio, listed on the National Register of Historic Places in Fayette County, Ohio
• Henry Smith Farm, Middletown, Pennsylvania, listed on the National Register of Historic Places in Dauphin County, Pennsylvania
• Smith Family Farmstead, New Hope, Pennsylvania, listed on the National Register of Historic Places in Bucks County, Pennsylvania
• Smith–Gardiner–Norman Farm Historic District, Middletown, Rhode Island, listed on the NRHP in Rhode Island
• Jessie Smith Farmstead, Volin, South Dakota, listed on the National Register of Historic Places in Yankton County, South Dakota
• Robert Andrew Smith Farm, Murfreesboro, Tennessee, listed on the National Register of Historic Places in Rutherford County, Tennessee
• Smith Farmhouse (Pasquo, Tennessee), listed on the National Register of Historic Places in Davidson County, Tennessee
• Samuel Gilbert Smith Farmstead, Brattleboro, Vermont, listed on the National Register of Historic Places in Windsor County, Vermont
• Peter Smith Farm–Donation Land Claim, Parkland, Washington, listed on the National Register of Historic Places in Pierce County, Washington
• Watters Smith Farm on Duck Creek, Lost Creek, West Virginia, listed on the NRHP in West Virginia
• Terwilliger–Smith Farm, Kerhonkson, New York, listed on the NRHP in Ulster County, New York