Family name โกศลกิจวงค์ (โกศลกิจวงค์ 
) , throughout the world, is a very rare last name. The cognomen โกศลกิจวงค์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| โกศลกิจวงค์ | Thailand |