A. M. McNair House is a historic home located at Hartsville, Darlington County, South Carolina. It was built in 1902, and is a two-story, three bay, Late Victorian style frame residence on a brick foundation. It has an asymmetrical plan and a pyramidal roof with cross gables. It features a one-story, hip roof wraparound porch and a two-story gabled bay extension where the wraparound porch terminates. It was the home of A.M. McNair (1857-1929), prominent Hartsville businessman who served as co-owner of McKinnon and McNair Department Store, founder and president of the Pee Dee Furniture Company, and vice president of the Bank of Hartsville.