Last name Генькин (Genkin 
, Генькин , Guenkine 
) , around the world, is a rare surname. The cognomen Генькин is characteristic of Israel, where it is quite a rare surname, Estonia, and Denmark, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Israel, the United States, and Russia. Much less frequently, Генькин is the forename as well as the last name.