Family name Kyok (Kyok 
, Кыок 
) , all around the world, is a very rare last name. The surname Kyok is characteristic of Bulgaria, where it is a rare surname, Israel, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in Bulgaria, Malaysia, and Russia. Very seldom, Kyok is the forename as well as the last name.