Family name Беннон (Bannon 
, Беннон) , all over the world, is quite a common last name. The cognomen Беннон is characteristic of Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Ireland. Very seldom, Беннон is the forename as well as the last name.