Cognomen Kjorn (ขจร 
, Kjorn 
) , globally, is a rare last name. The family name Kjorn is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Predominantly, Kjorn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ขจร | Thailand |
| Kjorn | United States, Philippines, Thailand |