Thomas Sully (June 19, 1783 – November 5, 1872) was an American portrait painter.
Born in Great Britain, he lived most of his life in Philadelphia, Pennsylvania.
He painted in the style of Thomas Lawrence.
His subjects included national political leaders, such as presidents Thomas Jefferson and John Quincy Adams, and General Marquis de Lafayette, and many leading musicians and composers.
In addition to portraits of wealthy patrons, he painted landscapes and historical pieces such as Passage of the Delaware.
His work was adapted for use on United States coinage.