Family name Zapasnik (Zapasnik 
, Запасник 
) , in the entire world, is a rare surname. The cognomen Zapasnik is characteristic of Belarus, where it is quite a rare surname, Poland, where it is a rare surname, and Finland. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Belarus, Poland, and Russia. Also, Zapasnik is the forename as well as the last name.