William Hussey
William Hussey may refer to:
- William Hussey (astronomer) (1862–1926), American astronomer
- William Hussey (judge) (1443–1495), English Chief Justice
- William Hussey (writer), English children's author
- William Hussey (English diplomat) (1642–1691), English ambassador to the Ottoman Empire
- William Hussey (died ?1531), MP for Stamford
- William Hassey (died 1556), MP for Grantham