Family name Melchina (Melchina 
, Мельшина 
, Мелшина ) , globally, is a rare last name. The surname Melchina is characteristic of Eastern Europe, particularly Russia, where it is a rare surname, Bulgaria, and Belarus, where it is a very rare surname. In absolute terms, it is the most numerous in Eastern Europe, particularly Russia, Bulgaria, and Ukraine. Very seldom, Melchina is the forename as well as the last name.