Family name Mizhui (Мижуй 
, Mizhui 
) , all around the world, is a rare surname. The cognomen Mizhui is habitual in Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan. In absolute terms, it is the most numerous in Russia, Belarus, and India. Much less frequently, Mizhui is the forename as well as the last name.