Alexander Hamilton Buell (July 14, 1801 – January 29, 1853) was an American businessman and politician who served one term as a U.S. Representative from New York from 1851 to 1853.

He engaged in mercantile pursuits in Fairfield, and maintained general stores in other cities.

He served as a member of the New York State Assembly in 1845.

Buell was elected as a Democrat to the Thirty-second Congress and served from March 4, 1851, until his death in Washington, D.C., on January 29, 1853.

He was interred in the Episcopal Cemetery, Fairfield, New York.