William Henry Ferry (April 1819 – March 26, 1880) was an American politician from New York.
He was born in April 1819 in Remsen, New York, the son of Heman Ferry (1786–1856) and Roxanna (Burchard) Ferry (c.1796–1842).
On March 25, 1861, he was elected President pro tempore of the State Senate.
He was a director of the Galena and Chicago Union Railroad.
He died on March 26, 1880, in Lake Forest, Illinois, and was buried at the Rosehill Cemetery and Mausoleum in Chicago.