The Walterboro Historic District is a historic district in Walterboro, South Carolina. It was listed on the National Register of Historic Places in 1980.In 1993 it was expanded to include the state-owned Walterboro High School at 807 Hampton St., a building designed by James B. Urquhart and J.T. Dabbs. The school was built in 1924.The district also includes the Walterboro Library Society Building, which is separately listed on the NRHP.