Family name Yorko (Yorko 
) , all over the world, is a rare surname. The family name Yorko is habitual in the United States, where it is a very rare surname, Canada, where it is an extremely rare surname, and Venezuela. Not in comparison with a country's population, it is the most numerous in the United States, Nigeria, and Canada. Much less frequently, Yorko is the forename as well as the last name.