Surname ชัยนคร (ชัยนคร 
, Chainakhon , Chaisakhon 
) , all around the world, is a rare family name. The last name ชัยนคร is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, ชัยนคร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ชัยนคร, Chainakhon | Thailand |
| Chaisakhon | United States, Thailand |
Chaihanakorn, Chainakhrn, and Chainakron