Thomas Hillhouse may refer to:
Thomas Hillhouse (American politician) (1817–1897), American farmer, banker and politician Thomas P. Hillhouse (1898–1991), Canadian politician Thomas A. Hill House, a 19th-century house in Bangor, Maine, U.S.
See also Thomas Hall House, a 19th-century house in Christiansburg, Virginia, U.S. Hillhouse (disambiguation)