Family name คำมู (Kammoo 
, Khammu 
, Khamou 
) , all over the world, is a rare surname. The cognomen คำมู is habitual in Thailand, where it is a rare surname, Morocco, and Canada, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Thailand, the United States, and Morocco. Likewise, คำมู is the forename as well as the last name.