William Hastings
William Hastings is the name of the following people:
- William Hastings († 1226) (around 1190–1226), English nobleman
- William Hastings, 1st Baron Hastings (around 1431–1483), English nobleman
- William Hastings-Bass, 17th Earl of Huntingdon (born 1948), British nobleman and politician
- William Soden Hastings (1798–1842), American politician
- William W. Hastings (1866–1938), American politician