Last name แก้วมูล (Kaewmoon 
, Kaewmun , Kaeomun ) , throughout the world, is a rare cognomen. The family name แก้วมูล is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, and Malaysia, where it is a very rare surname. Much less frequently, แก้วมูล is the forename as well as the last name.