Surname พระเจริญ (Phreechaya 
, พระเจริญ , Phjaroen ) , globally, is a very rare cognomen. The surname พระเจริญ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, พระเจริญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phreechaya, Phrajaroen, Phjaroen, พระเจริญ | Thailand |