William Bonville, 6th Baron Harington

William Bonville, 6th Baron Harington (1442 – 30 December 1460) was an English nobleman who was a loyal adherent of the House of York during the dynastic conflict in England in the 15th century now known as the Wars of the Roses.

He was slain and left dead on the field during the Yorkist defeat at the Battle of Wakefield, leaving his baby daughter, Cecily Bonville heiress to his barony.

In 1458, he succeeded his grandfather as the 6th Baron Harington of Aldingham by right of his mother, who had died in her father's lifetime.

William Bonville, 6th Baron Harrington was among the many Yorkists who were slain and left dead on the field during the Battle of Wakefield on 30 December 1460.

Cecily succeeded to William's barony, becoming the 7th Baroness Harington of Aldingham suo jure, on his death.