Last name Диеу (Dieu 
, Диеу 
, Dyeu) , all around the world, is a common family name. The last name Диеу is habitual in Rwanda, where it is quite a common surname, Belgium, and Gabon, where it is quite a rare surname. In absolute terms, it is the most numerous in Rwanda, France, and Vietnam. More prevalently, Диеу is the forename as well as the last name.