Worldwide, จิรรุ่งโรจน์ (จิรรุ่งโรจน์, Jiarungroj 
, Jiarungrot ) is an extremely rare unknown gender forename. Much more prevalently, จิรรุ่งโรจน์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jiarungrot, Jiarungroj, Jirarungroj | Thailand |
Jiarrungrot, and Jirarungrot