Thomas McKean (March 19, 1734 – June 24, 1817) was an American lawyer and politician from New Castle, in New Castle County, Delaware and Philadelphia.
During the American Revolution he was a delegate to the Continental Congress where he signed the United States Declaration of Independence and the Articles of Confederation.
McKean served as a President of Congress.
He was at various times a member of the Federalist and Democratic-Republican parties.
McKean served as President of Delaware, Chief Justice of Pennsylvania, and Governor of Pennsylvania.
He is also known for holding copious public positions.