Martin Jay Davis (7 September 1937 - 10 January 2022) was a leading astrologer and author specializing in locational astrology. He was a member of the US fencing team (foil) and competed in the 1972 Olympic Games in Munich. During the 1963 Pan American Games he won a gold medal with the US fencing team (foil). His first title, Astrolocality Astrology, won the Spica award for the best astrology book in 2000.