Last name Molodoy (Молодой 
, Molodoy 
) , around the world, is a rare surname. The family name Molodoy is habitual in Belarus, where it is a rare surname, Estonia, and Kazakhstan, where it is a very rare surname. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Russia, Belarus, and Ukraine. Much less frequently, Molodoy is the forename as well as the last name.