Last name ทองสาร (Gold 
, ทองสาร 
, Thongsarn ) , around the globe, is a widespread surname. The family name ทองสาร is habitual in Marshall Islands, where it is quite a common surname, British Virgin Islands, and Saint Vincent and the Grenadines (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in the United States, Nigeria, and Egypt. Also, ทองสาร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gold | Egypt, Nigeria, United States, Mongolia, Myanmar |
| ทองสาร | Thailand |
| Thongsarn | United States, Thailand |