Surname แขน (Arm 
, แขน , A'Rm) , in the entire world, is quite a common last name. The cognomen แขน is characteristic of Estonia, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Qatar. Not in comparison with a country's population, it most frequently occurs in Indonesia, Switzerland, and Myanmar. Also, แขน is the forename as well as the last name.