Surname Karnjanapa (Karnjanapa 
) , all around the world, is a very rare cognomen. The last name Karnjanapa is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Karnjanapa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karnjanapa | France, Thailand |