Cognomen นาดำ (Nadam 
, Nadh 
, Nadum 
) , worldwide, is quite a common surname. The cognomen นาดำ is habitual in Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Kuwait, and Oman. Not in comparison with a country's population, it most frequently occurs in India, Indonesia, and United Arab Emirates. Much less frequently, นาดำ is the forename as well as the last name.