Last name ประจวบลาภเจริญ (ประจวบลาภเจริญ 
) , around the globe, is an extremely rare cognomen. The family name ประจวบลาภเจริญ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ประจวบลาภเจริญ | Thailand |