Last name Дервал (Derwael 
, Дервал) , in the entire world, is a rare family name. The family name Дервал is characteristic of Western Europe, particularly Belgium, where it is quite a rare surname, Luxembourg, and Switzerland, where it is a very rare surname. In absolute terms, it is the most numerous in Western Europe, particularly Belgium, France, and Luxembourg. Very seldom, Дервал is the forename as well as the last name.