Cognomen Yokin (Yokin 
, โยคิน ) , throughout the world, is a rare family name. The cognomen Yokin is habitual in Thailand, where it is a rare surname, Bulgaria, and Israel, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Thailand, China, and Bulgaria. Likewise, Yokin is the forename as well as the last name.