Last name มูลวงค์เพ็ชร (มูลวงค์เพ็ชร 
) , in the world, is an extremely rare cognomen. The last name มูลวงค์เพ็ชร is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| มูลวงค์เพ็ชร | Thailand |