Cognomen ข้ำ (Kham 
, ข้ำ) , in the world, is a common surname. The cognomen ข้ำ is habitual in Mongolia, where it is a common surname, Myanmar, and Laos, where it is quite a common surname. In absolute terms, it is commonest in Myanmar, Mongolia, and Malaysia. Likewise, ข้ำ is the forename as well as the last name.