Family name Jirajaruwong (Jirajaruwong 
) , in the entire world, is a very rare cognomen. The surname Jirajaruwong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jirajaruwong | Thailand |
Jirath, Apichart, Thanasate, Narongsak, and Phetcharin