Family name Ganjin (乾金 
, Ganjin 
, Гандзин 
) , in all the world, is a rare last name. The cognomen Ganjin is habitual in Belarus, where it is a rare surname, Kazakhstan, and Ukraine. In absolute terms, the name is most common in Russia, China, and Belarus. Also, Ganjin is the forename as well as the last name.