Cognomen ไชยะกิจ (ไชยะกิจ 
) , throughout the world, is an extremely rare last name. The family name ไชยะกิจ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, ไชยะกิจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ไชยะกิจ | Thailand |