In the world, Jern (Jern 
) is a rare predominantly male, but scarcely female first name. The given name Jern is habitual in the Democratic Republic of the Congo, where it is a rare boy's name, Philippines, where it is a very rare unisex name, and the United States, where it is an extremely rare principally male, but very seldom female name. More frequently, Jern is the last name as well as the forename.