Surname Байтар (Байтар 
) , worldwide, is a very rare last name. The last name Байтар is habitual in Bulgaria, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Bulgaria, Kazakhstan, and Russia. Much less frequently, Байтар is the forename as well as the last name.