Harcourt Joseph Pratt (October 23, 1866 – May 21, 1934) was a U.S. Representative from New York and notable politician from Ulster County.

His mother was the daughter of Mathew and Sarah (Deyo) Harcourt, and through his mother he was a descendant of New Paltz patentees (founders) Christian Deyo, Louis DuBois, Abraham DuBois and Hugo Freer.

He was heading from his home in Highland to a meeting in Kingston when he mistook a turn near the Port Ewen Cemetery.

[2] On December 3, 1890, in Humeston, Iowa, Harcourt married Mary Elizabeth Hasbrouck (March 1, 1870 in Humeston-November 10, 1940 in Kingston).

Her father was the namesake of Hasbrouck Heights, New Jersey, being a general manager of the New Jersey-New York Railroad for some time.