Last name Едынак (Jedynak 
, Едынак 
) , in the entire world, is quite a rare family name. The last name Едынак is characteristic of Poland, where it is quite a rare surname, France, where it is a rare surname, and Ireland. Not in comparison with a country's population, it is the most numerous in Poland, the United States, and France. Also, Едынак is the forename as well as the last name.