Sir Walter de Berkley 8th of Gartly was a 13th-14th century Scottish noble.
Walter was the son of John de Berkley, 7th of Gartly. He was a supporter of Robert de Brus.
He did homage to King Edward I of England at Berwick on 28 August 1296. With John Comyn, Lord of Badenoch he held out against the invasion of Edward I until forced to surrender in February 1304. He again swore fealty and homage to King Edward I of England on 14 March 1304 at St Andrews. Walter was appointed Sheriff of Banff by Edward I in September 1305.
Walter is known to have had the following issue:
- Andrew de Berkley, 9th of Gartly
- Barron, p.210
- Barron, p.304
- Barron, p.349
- Barron, Evan Macleod (1914). The Scottish war of independence; a critical study by Evan Macleod Barron. J. Nisbet.