Surname Hantschar (Hantschar 
, Ганчар 
, Іосипович ) , in all the world, is a rare family name. The cognomen Hantschar is characteristic of Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Kazakhstan, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Eastern Europe, particularly Belarus, Ukraine, and Russia.