Cognomen Hilel (Hilel 
, הלל , הילל ) , in the world, is quite a common last name. The last name Hilel is habitual in Israel, where it is quite a common surname, Tunisia, where it is a rare surname, and Qatar. Not in comparison with a country's population, it most frequently occurs in Israel, Algeria, and Tunisia. Likewise, Hilel is the forename as well as the last name.