Cognomen Coky (Coky 
, 科奇 , Коки 
) , across the world, is quite a rare last name. The cognomen Coky is habitual in Indonesia, where it is a rare surname, Argentina, and Egypt, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Indonesia, China, and Egypt. More prevalently, Coky is the forename as well as the last name.