William Henry Lamport (May 27, 1811 – July 21, 1891) was a U.S. representative from New York.

He was Supervisor of Gorham in 1848 and 1849 and Sheriff of Ontario County, 1850–1853.

He was a member of the New York State Assembly (Ontario Co., 1st D.) in 1855.

He retired to Canandaigua where he died on July 21, 1891, and was interred in the West Avenue Cemetery.

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