John Jacob Calhoun Koon Farmstead

John Jacob Calhoun Koon Farmstead is a historic home and farm located near Ballentine, Richland County, South Carolina, USA. The house was built in about 1890, and is a two-story farmhouse with a two-tiered Victorian influenced wraparound porch. It has a one-story, gable roofed frame rear addition. Also on the property are the contributing frame grain barn (c. 1920), a frame cotton house (c. 1900), a frame workshop/toolhouse (c. 1900), a late-19th century shed, a planing shed (c. 1920) and a sawmill (c. 1928).

It was added to the National Register of Historic Places in 1986.