Last name โอสกุลเจริญ (โอสกุลเจริญ 
) , worldwide, is an extremely rare family name. The last name โอสกุลเจริญ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| โอสกุลเจริญ | Thailand |