Jonathan Bayard Smith (February 21, 1742 – June 16, 1812) was an American politician and merchant from Philadelphia who was one of the Founding Fathers of the United States.
Smith served as a delegate for Pennsylvania to the Continental Congress in 1777 and 1778, where he signed the Articles of Confederation.
Having advocated taking up arms (a sometimes unpopular stance in largely Quaker Pennsylvania) he also joined the militia, becoming a lieutenant colonel of John Bayard's regiment and serving in the Brandywine campaign.
[3] After his congressional career, Smith returned his attention to business, but remained active in civic affairs.
He became an alderman in Philadelphia, a grand master of the Masons, and a member of the American Philosophical Society.