Surname Jirayouth (Jirayouth 
) , in all the world, is an extremely rare cognomen. Much more frequently, Jirayouth is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jirayouth | United States, Thailand |
Sueksasin, Charalak, Tipsuwan, Suthisayeam, and Benchanakatkul