Surname Damlong (Damlong 
) , in all the world, is a rare cognomen. The family name Damlong is habitual in Laos, where it is quite a rare surname, India, where it is a very rare surname, and Thailand, where it is an extremely rare surname. In absolute terms, it is the most numerous in Laos, India, and the United States. Much less frequently, Damlong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Damlong | United States, India, Laos, Thailand |