Cognomen ทองรุธ (ทองรุธ 
) , all around the world, is a very rare last name. The cognomen ทองรุธ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทองรุธ | Thailand |
จิราพร, and ลัดดาวัลย์