Surname พรหมยงค์ (พรหมยงค์ 
) , across the world, is a very rare last name. The last name พรหมยงค์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พรหมยงค์ | Thailand |
| แช่ม พรหมยงค์ Thai politician, TH (b. 1901) |
|