Globally, Ddin (Ddin 
) is a rare principally boy's, but very infrequently female forename. The given name Ddin is characteristic of Algeria, where it is a rare masculine name, Indonesia, where it is a very rare boy's name, and China, where it is an extremely rare epicene name. Measured by absolute frequency, it is the most numerous in China, India, and Algeria. Much more prevalently, Ddin is the last name as well as the forename.