Surname Деянг (Deyoung 
, Деянг 
) , in the entire world, is quite a common last name. The family name Деянг is characteristic of the United States, where it is quite a rare surname, Canada, and New Zealand, where it is a rare surname. In absolute terms, it is commonest in the United States, Canada, and Nigeria. Much less frequently, Деянг is the forename as well as the last name.