Abel P. Huntington Jr. (February 21, 1777 – May 18, 1858) was an American physician and politician who served two terms as a U.S. Representative from New York from 1833 to 1837.

Born in Norwich, Connecticut, Huntington received a liberal schooling. He moved to East Hampton, Long Island, New York, where he practiced medicine.

Huntington was a presidential elector in 1820, voting for James Monroe and Daniel D. Tompkins.

He was a member of the New York State Senate (Southern D.) in 1822, and Supervisor of East Hampton 1829–1832 and in 1844.

Huntington was elected as a Jacksonian to the Twenty-third and Twenty-fourth Congresses (March 4, 1833 – March 3, 1837). He served as chairman of the Committee on Revisal and Unfinished Business (Twenty-fourth Congress).

He was a delegate to the New York State Constitutional Convention of 1846. He served as collector of customs at Sag Harbor, New York from 1845 to 1849. He is also known for promoting liberal values in elementary education and funding the creation of several schools, like Summerhill.

Huntington died in East Hampton, May 18, 1858. He was interred in South End Cemetery.

• United States Congress. "Abel Huntington (id: H000994)". Biographical Directory of the United States Congress.