Family name Ганнон (Hanno 
, Ганнон 
) , around the world, is quite a rare surname. The surname Ганнон is habitual in Egypt, where it is a rare surname, Syria, and Libya. Not in comparison with a country's population, the name is most common in Egypt, Japan, and the United States. More prevalently, Ганнон is the forename as well as the last name.