Yorkshire is a town in Cattaraugus County, New York, United States. The population was 3,840 at the 2020 census. The town is located on the northern edge and in the northeast quadrant of the county.

Hiram Martin Chittenden was an American engineer and historian. A graduate of West Point, he was the Seattle district engineer for the Army Corps of Engineers from 1906 to 1908). Chittenden was one of the first three elected Port Commissioners at the Port of Seattle. He also helped found the Pacific Coast Association of Port Authorities, later known as the Association of Pacific Ports in 1913. The Hiram M. Chittenden Locks in Seattle are named in his honor.