Thomas Neel Stilwell (August 29, 1830 – January 14, 1874) was an American lawyer, banker, and politician who served one term as a U.S. Representative from Indiana from 1865 to 1867.

He was admitted to the bar in 1852 and began practice in Anderson, Indiana.

He served as president of the First National Bank of Anderson, Indiana, until his death.

He died in Anderson as the result of a gunshot wound January 14, 1874.

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