Cognomen จันทรเพ็ญกุล (จันทรเพ็ญกุล 
) , around the world, is an extremely rare last name. The family name จันทรเพ็ญกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| จันทรเพ็ญกุล | Thailand |