Jacob A. Ambler (February 18, 1829 – September 22, 1906) was an American lawyer and politician who served as a U.S. Representative from Ohio for two terms from 1869 to 1873.

Born in Pittsburgh, Pennsylvania, Ambler attended the local schools of Allegheny City and also received private instruction.

He was appointed a member of the United States Tariff Commission by President Arthur in 1882.

He retired from the general practice of law in 1898 but continued active business pursuits until his death in Canton, Ohio, September 22, 1906.

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