Cognomen ทองเบ็ญจมาศ (ทองเบ็ญจมาศ 
) , all over the world, is an extremely rare family name. The surname ทองเบ็ญจมาศ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทองเบ็ญจมาศ | Thailand |