Gideon Brooke (c. 1814 – November 1881) was an American politician and businessman who was a member of the 8th Arizona Territorial Legislature in 1875. He was a local businessman in Yavapai County, Arizona Territory and served on the Yavapai County Board of Supervisors from 1870 to 1873 and again in 1877–1878. In between, he represented Prescott in the legislature at the territory capital Tucson and was chairman of the Committee on Roads and Ferries.