Last name ค่ำ (Kham 
, ค่ำ) , in the world, is a common family name. The cognomen ค่ำ is habitual in Mongolia, where it is a common surname, Myanmar, and Laos, where it is quite a common surname. Measured by absolute frequency, it most frequently occurs in Myanmar, Mongolia, and Malaysia. Also, ค่ำ is the forename as well as the last name.