Last name ทองแซ (ทองแซ 
) , in all the world, is an extremely rare family name. The family name ทองแซ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ทองแซ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทองแซ | Thailand |