Henry Harrison Hathorn (November 28, 1813 – February 20, 1887) was a businessman and Republican U.S. Representative from New York.

He died at Saratoga Springs, New York on February 20, 1887, and was interred in Greenridge Cemetery.

Hathorn engaged in mercantile pursuits in Saratoga Springs from 1839 to 1849.

[1] In 1854 he purchased "Congress Hall" and expanded it, adding another story and a ballroom.

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