The Asa Biggs House and Site is a historic home and archaeological site located at Williamston, Martin County, North Carolina. It was built in 1835, and built as a two-story, side hall-plan, late Federal style frame dwelling. It was later enlarged with a two-story, two-bay, vernacular Greek Revival style addition and rear ell to form a T plan. It was the home of U.S. Congressman, Senator, and judge Asa Biggs (1811-1878). The property is owned by the Martin County Historical Society.
It was added to the National Register of Historic Places in 1979. It is located in the Williamston Historic District.