Surname Matsun (Мацун 
, Matsun 
) , in all the world, is a rare cognomen. The surname Matsun is habitual in Malaysia, where it is a rare surname, Ukraine, and Kyrgyzstan, where it is a very rare surname. Measured by absolute frequency, it is commonest in Malaysia, Ukraine, and Indonesia. Much less frequently, Matsun is the forename as well as the last name.