Surname คูห์น (Khu 
, คูห์น 
) , across the world, is a common last name. The last name คูห์น is habitual in Myanmar, where it is quite a common surname, Mongolia, where it is quite a rare surname, and Malaysia. Measured by absolute frequency, it is commonest in Myanmar, Indonesia, and India. Also, คูห์น is the forename as well as the last name.