Surname Krajnyk (Krajnyk 
) , in the entire world, is a very rare last name. The family name Krajnyk is characteristic of New Zealand, where it is a very rare surname, the United Kingdom, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Germany. Very seldom, Krajnyk is the forename as well as the last name.