William Pitt Smith
 William Pitt Smith (1760–1796) was a U.S. physician educator and theological writer.Smith began his career serving in the General Hospital Department of the Continental Army during the American Revolution. He became Professor of Materia Medica at Columbia College) in 1792.Smith authored two books that espoused the tenets of Universalism: The Universalist; in Seven Letters to Amyntor (1787) and Observations on Conventions (1793).