William Jackson was an American politician and a member of the Democratic Party. He served as a U.S. Representative from North Carolina from 1799 to 1801. Jackson was known for his involvement in early American politics during a formative period in the nation's history. In addition to his political career, William Jackson was also a military officer. He served as a captain in the Continental Army during the American Revolutionary War. His contributions to both military and political spheres helped shape the early governance of the United States.