Last name วิทยจิรโชติ (วิทยจิรโชติ 
) , throughout the world, is an extremely rare cognomen. The family name วิทยจิรโชติ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วิทยจิรโชติ | Thailand |