>
Last name Demas (Demas
, Демас
) , throughout the world, is quite a common surname. The last name Demas is habitual in Reunion, where it is quite a common surname, Trinidad and Tobago, where it is quite a rare surname, and Papua New Guinea. Not in comparison with a country's population, it is commonest in the United States, Ethiopia, and Nigeria. Also, Demas is the forename as well as the last name.