Surname Jelkin (Jelkin 
) , all around the world, is a rare last name. The family name Jelkin is habitual in Estonia, where it is quite a rare surname, Nicaragua, where it is a rare surname, and Hungary, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in the United States, Nicaragua, and Estonia. Also, Jelkin is the forename as well as the last name.