Family name พรหมทองนุ้ย (พรหมทองนุ้ย, Promtongnui 
) , all around the world, is a very rare last name. The family name พรหมทองนุ้ย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Promtongnui | Thailand |