Surname Syna (Syna 
, Сина 
) , globally, is a rare cognomen. The family name Syna is characteristic of Kyrgyzstan, where it is a rare surname, Bulgaria, and Cambodia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Indonesia, India, and Malaysia. More frequently, Syna is the forename as well as the last name.