Cognomen Pinsin (หมุด 
, Pinsin 
) , around the world, is a very rare surname. The last name Pinsin is characteristic of Malaysia, where it is a rare surname, Thailand, where it is a very rare surname, and Georgia. Measured by absolute frequency, it is the most numerous in Malaysia, Thailand, and the United States. More frequently, Pinsin is the forename as well as the last name.