Last name Karnjanapan (Karnjanapan 
) , around the globe, is an extremely rare cognomen. The family name Karnjanapan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, Karnjanapan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karnjanapan | Thailand |