In the world, โคราช (Koratham 
, โคราช , Khowrat ) is a very rare mostly male, but seldom feminine first name. The first name โคราช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare masculine name. Likewise, โคราช is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Koratham | India, Thailand |
| โคราช, Khowrat, Korathad | Thailand |
Corayok, Khcorachat, Khokan, Khokathing, Khorachat, Khorada, Khorarat, Khorarit, Khorat, Khoratad, Khoratha, Khorathat, Khottabud, Khottai, Khottama, Khottarat, Koarat, Koraach, Korabhatra, Koracha, Korachet, Koradha, Koraj, Korak, Koraka, Korakode, Korakodi, Korakon, Korakroj, Koranath, Koraras, Korarot, Korat, Korata, Koratak, Koratat, Korathak, Korathuch, Koratinart, Koratot, Korattana, Korrat, Korrathak, Kruengsima, and 呵叻