Family name ดีเจ (Dj 
, Djj 
, Djy 
) , all over the world, is a common cognomen. The cognomen ดีเจ is characteristic of Taiwan, where it is a common surname, Djibouti, where it is quite a common surname, and Montenegro, where it is quite a rare surname. In absolute terms, it most frequently occurs in Taiwan, Indonesia, and Algeria. Likewise, ดีเจ is the forename as well as the last name.