The John Orendorff Farm is a historic home and farm complex located at Westminster, Carroll County, Maryland, United States. The complex consists of a brick house, a brick privy, a brick smokehouse, a frame barn, a frame hog pen, a frame wagon shed, two poultry houses, and a feed house. The house is a five-by-two-bay brick structure, built in 1861 in the Italianate style. It has a -story, six-by-two-bay brick ell on the north side.
The John Orendorff Farm was listed on the National Register of Historic Places in 1997.