Last name Дзю (Jū 
, Дзю 
) , in the entire world, is a very rare family name. The cognomen Дзю is habitual in Kazakhstan, where it is a very rare surname, Russia, and Ukraine, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Russia, China, and Kazakhstan. Likewise, Дзю is the forename as well as the last name.