Family name ทองยอย (ทองยอย 
) , all over the world, is quite a rare last name. The cognomen ทองยอย is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Likewise, ทองยอย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทองยอย | Thailand |