All over the world, ケルト (Keld 
, Celt 
, ケルト) is a rare boy's given name. The given name ケルト is characteristic of Denmark, where it is quite a rare boy's name, Saudi Arabia, where it is a very rare boy's name, and Germany. In absolute terms, it is commonest in Denmark, Saudi Arabia, and the United States. Very seldom, ケルト is the last name as well as the forename.