Cognomen Sihon (Sihon 
) , in the world, is a rare last name. The last name Sihon is characteristic of Israel, where it is a rare surname, Ethiopia, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, this name is the most popular in Ethiopia, the United States, and Israel. Likewise, Sihon is the forename as well as the last name.