Cognomen Hleis (Hleis 
) , around the globe, is a rare last name. The last name Hleis is characteristic of Lebanon, where it is quite a rare surname, Australia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Lebanon, the United States, and Australia. Much less frequently, Hleis is the forename as well as the last name.