Cognomen Деул (Deul 
, Деул 
) , in all the world, is a rare surname. The family name Деул is characteristic of Netherlands, where it is a rare surname, Germany, and Myanmar, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Germany, India, and Netherlands. Likewise, Деул is the forename as well as the last name.