Last name Khamman (Khamman 
, คำมัน, คำมั่น) , around the globe, is a rare cognomen. The family name Khamman is habitual in Thailand, where it is a rare surname, India, where it is an extremely rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in Thailand, India, and Nigeria. More prevalently, Khamman is the forename as well as the last name.