Last name Bartha (Bartha , Барта ) , in the entire world, is a common cognomen. The family name Bartha is habitual in Hungary, where it is quite a common surname, Romania, and Bosnia and Herzegovina, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Hungary, Romania, and Ukraine. Very seldom, Bartha is the forename as well as the last name.