Family name Deyas (Deyas 
) , in all the world, is a rare last name. The surname Deyas is habitual in Ethiopia, where it is a rare surname, Indonesia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. In absolute terms, this name is the most popular in Ethiopia, Indonesia, and India. More prevalently, Deyas is the forename as well as the last name.