Cognomen Harchin (Harchin 
, Харчин 
) , in the entire world, is a rare last name. The surname Harchin is habitual in France, where it is a rare surname, Ukraine, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, it is the most numerous in France, Russia, and Ukraine. Very seldom, Harchin is the forename as well as the last name.