Surname พิหารมงคล (พิหารมงคล 
, Phihanmongkol) , all over the world, is a very rare family name. The cognomen พิหารมงคล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิหารมงคล | Thailand |