Burr Powell Harrison (July 2, 1904 – December 29, 1973) was a Virginia lawyer, judge and Democratic politician who was a member of the Byrd Organization and served as U.S.

During the years 1940–1943, Harrison represented Frederick County (part-time) in Senate of Virginia.

His colleagues elected him as judge of the seventeenth judicial circuit and the corporation court of Winchester in 1943–1946.

Senator Harry F. Byrd (of Winchester) and accordingly supported Massive Resistance to the U.S. Supreme Court decisions in Brown v. Board of Education.

Harrison did not seek his party's renomination to the Eighty-eighth Congress in 1962, but instead resumed his legal practice in Winchester, Virginia.