Last name โรจน์จตุรกุล (โรจน์จตุรกุล 
) , throughout the world, is a very rare surname. The family name โรจน์จตุรกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| โรจน์จตุรกุล | Thailand |