Cognomen Diela (Diela 
) , around the world, is quite a rare family name. The family name Diela is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, Greece, where it is a rare surname, and Malaysia. In absolute terms, this name is the most popular in the Democratic Republic of the Congo, Indonesia, and Greece. Much less frequently, Diela is the forename as well as the last name.