Surname Синдин (Sindin 
, Синдин 
) , in the world, is a rare cognomen. The last name Синдин is habitual in Malaysia, where it is a rare surname, Estonia, and Argentina, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Malaysia, Argentina, and Spain. Much less frequently, Синдин is the forename as well as the last name.