Stephen Asa Northway (June 19, 1833 – September 8, 1898) was an American lawyer and politician who served as a U.S. Representative from Ohio from 1893 to 1898.

Born in Christian Hollow, New York, Northway moved with his parents in 1840 to the township of Orwell, Ohio.

He was admitted to the bar in 1859 and commenced practice in Jefferson, Ohio.

Northway was elected as a Republican to the Fifty-third, Fifty-fourth, and Fifty-fifth Congresses and served from March 4, 1893, until his death in Jefferson, Ohio, on September 8, 1898.

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