Walter Devereux, 8th Baron Ferrers of Chartley, KG (c. 1432 – 22 August 1485) was an English nobleman and a loyal supporter of the House of York during the Wars of the Roses.

He fought at the Battle of Towton after which he was knighted, and was subsequently named Baron Ferrers, the title previously held by his wife's family, and given many lands forfeited by the supporters of the deposed Henry VI of England.

[6] He fought with the new king, now Edward IV, in the North in November 1462, and over the subsequent decade was named constable or keeper of several castles, including those at Aberystwith, Brecknock, Hay and Huntingdon.

In 1472, he was nominated a Knight of the Garter, and the next year was appointed as tutor and councillor of Edward, Prince of Wales.

[6] Walter Devereux supported Richard III of England during his reign, and fought by his side at the Battle of Bosworth (22 August 1485).