Family name หรุ่น (Run 
, หรุ่น) , around the world, is a common surname. The family name หรุ่น is characteristic of Reunion, where it is quite a common surname, Iceland, and Malaysia, where it is quite a rare surname. Measured by absolute frequency, it is commonest in China, Malaysia, and Indonesia. Also, หรุ่น is the forename as well as the last name.