Surname ชัยกิจ (ชัยกิจ 
, Chaiyakit 
, Chaikit ) , all over the world, is quite a rare family name. The cognomen ชัยกิจ is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, and Malaysia, where it is a very rare surname. Much less frequently, ชัยกิจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaikij, ชัยกิจ | Thailand |
| Chaikit, Chaiyakit | United States, Malaysia, Thailand |
Chaioek, Chaiyagird, and Chaiykirt