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