Last name หงส์ทอง (Hongthong 
, หงส์ทอง ) , in the world, is quite a rare cognomen. The surname หงส์ทอง is habitual in Thailand, where it is quite a rare surname, Laos, and Australia, where it is a very rare surname. In absolute terms, it is commonest in Thailand, Laos, and the United States. Likewise, หงส์ทอง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hongthong | France, China, United States, Laos, Thailand |
| หงส์ทอง | Thailand |
Goldswain, and Swangthong