William Hilliard or Hildyard (died 1608) was one of two Members of the Parliament of England for the constituency of York between 1586 and 1588.
William was the fourth son of Martin Hilliard (Hildyard) of Winestead in the East Riding of Yorkshire.
[4] William was a Justice of the Peace for the East Riding of Yorkshire on three separate occasions.
Due to his successful career, he acquired a large amount of land around the Beverley area.
[1] He died in 1608 and was buried at St Michael le Belfrey, York.