Richard Nevill, 4th Baron Nevill (c. 1420–1484), was an English nobleman during the late medieval period. He was part of the prominent Nevill family and played a significant role in the political landscape of England during the Wars of the Roses. His title was inherited from his father, Ralph Nevill, 3rd Baron Nevill, and he became known for his military involvement and alliances. As a supporter of the Yorkist cause, Richard Nevill participated in several key battles, including the Battle of Towton in 1461. He was also involved in the shifting loyalties and power struggles that characterized the era, which ultimately led to his family's prominence and influence in English history.