Old State Capitol may refer to:
Old State Capitol (Milledgeville, Georgia), listed on the NRHP in Georgia Iowa Old Capitol Building in Iowa City, Iowa Old Capitol (Indiana) in Corydon, Indiana Old Louisiana State Capitol, Baton Rouge, LA, listed on the NRHP in Louisiana Old State Capitol State Historic Site in Springfield, Illinois, a U.S. National Historic Landmark Old State Capitol (Kentucky) in Frankfort, Kentucky, home to the Kentucky Historical Society Old Mississippi State Capitol, Jackson, Mississippi, a U.S. National Historic Landmark also known as Old State Capitol
See also Old State House (disambiguation)