Surname ديوك (Duke 
, Duk 
, Deok 
) , worldwide, is a common last name. The surname ديوك is habitual in Trinidad and Tobago, where it is quite a common surname, Isle of Man, and Ireland (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in the United States, Nigeria, and the United Kingdom. Also, ديوك is the forename as well as the last name.