Family name Cheldin (Cheldin 
) , in all the world, is a very rare cognomen. The last name Cheldin is habitual in New Zealand, where it is a very rare surname, Honduras, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in the United States, Russia, and New Zealand. Much more prevalently, Cheldin is the forename as well as the last name.