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