John Denton Gurnee (December 25, 1831 – March 15, 1906) was an American politician and lawyer.
Born in the town of Ramapo, Rockland County, New York, Gurnee graduated from Princeton University in 1854.[1] He studied law in the office of William C. Hasbrouck in Newburgh, New York and was admitted to the New York bar in 1857.[1] Gurnee settled in Madison, Wisconsin, in 1857, and practiced law.[1] Gurnee was involved with the Democratic Party.[2] In 1872, Gurnee served in the Wisconsin State Assembly.[2][3] In 1896, Gurnee ended his involvement with the Democratic Party.[2] Wisconsin Governor Cadwallader C. Washburn appointed Gurnee to the Wisconsin Park Commission. Gurnee died at his home in Madison, Wisconsin.[1]