Cognomen ขำ (Kham 
, Khanm 
, ขำ) , all over the world, is a widespread last name. The surname ขำ is characteristic of Mongolia, where it is a common surname, Myanmar, and Laos, where it is quite a common surname. Not in comparison with a country's population, the name is most common in Myanmar, India, and Mongolia. Also, ขำ is the forename as well as the last name.