Last name Yusym (Юсим 
, Yusym) , globally, is a rare cognomen. The family name Yusym is characteristic of Russia, where it is a rare surname, Belarus, where it is a very rare surname, and Kazakhstan. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Russia, Ukraine, and Belarus. Very seldom, Yusym is the forename as well as the last name.