Last name Jyn (จิน 
, Jyn 
) , globally, is a rare cognomen. The surname Jyn is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, where it is a very rare surname, and Thailand. Not in comparison with a country's population, it most frequently occurs in Malaysia, Thailand, and India. More frequently, Jyn is the forename as well as the last name.