Cognomen Adadad (Adadad 
) , globally, is a very rare family name. The family name Adadad is habitual in Sweden, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and Thailand. Not in comparison with a country's population, the name is most common in Sweden, the United States, and India. Very seldom, Adadad is the forename as well as the last name.