John Nevill, 6th Baron Nevill, was an English nobleman born in 1430. He was part of the prominent Nevill family and held the title of Baron Nevill after succeeding his father, John Nevill, 5th Baron Nevill. His life was marked by the political turmoil of the Wars of the Roses, a series of civil wars for control of the English throne. Baron Nevill was a supporter of the Yorkist faction during these conflicts. He played a role in various battles, including the notable Battle of Towton in 1461. John Nevill died in 1476, leaving behind a legacy tied to the turbulent history of 15th-century England.