A Hebrew, English and German surname, Ammon comes from the name ’Hamon’. It also refers to the ancient Ammon Kingdom near the Jordan River of the Middle East. Variations in spelling for Ammon include Hamond, Amon, Hammond and Hamon. In England the counties of Northumberland, Lancashire, Kent, Warwickshire, Berkshire, Worcestershire and the city of London have many Ammon families. Within the United States the Ammon name is primarily in Pennsylvania, New York and Ohio. Famous: Guenter Ammon (a well-known German psychiatrist), Shane Ammon (professional baseball player), David Ammon (champion soccer coach in England) and Colin Ammon (professional baseball player).