Cognomen Хул (Hool 
, Hoole 
, Хул 
) , throughout the world, is quite a common last name. The cognomen Хул is habitual in Belgium, where it is quite a rare surname, Estonia, and Australia. Not in comparison with a country's population, it is the most numerous in the United Kingdom, Belgium, and the United States. Very seldom, Хул is the forename as well as the last name.