Cognomen Грецки (Gretzky 
, Грецки 
, Greckis 
) , in the world, is a very rare family name. The family name Грецки is characteristic of Latvia, where it is quite a rare surname, Lithuania, where it is a rare surname, and New Zealand, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in the United States, Latvia, and Canada. Much less frequently, Грецки is the forename as well as the last name.