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.

The same year he fought in a skirmish at Ludford under Richard, Duke of York, but then submitted himself to the king's mercy.

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.

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