Surname Dedede (Dedede 
) , throughout the world, is a rare cognomen. The family name Dedede is characteristic of Botswana, where it is quite a rare surname, Tanzania, where it is a rare surname, and France, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Tanzania, Botswana, and China. Much less frequently, Dedede is the forename as well as the last name.