Samuel Stewart Ellsworth (October 13, 1790 – June 4, 1863) was an American politician who served one term as a U.S. Representative from New York from 1845 to 1847.

Born in Pownal, Vermont, Ellsworth attended the common schools.

He moved to Penn Yan, New York, in 1819 and engaged in mercantile pursuits.

He died in Penn Yan, New York, June 4, 1863.

This article incorporates public domain material from the Biographical Directory of the United States Congress