Dame Juliet Mary May (born 21 March 1961), styled The Rt Hon. Lady Justice May, is a judge of Court of Appeal of England and Wales.
May was educated at Wadham College, Oxford and called to the bar at Inner Temple in 1988. She was appointed Queen's Counsel and a Circuit Judge in 2008. She has been a judge of the King's Bench Division since 2015.
She was appointed a Lady Justice of Appeal and sworn of the Privy Council in December 2025.