Surname Karnnikar (Karnnikar 
) , in all the world, is an extremely rare last name. The family name Karnnikar is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. More prevalently, Karnnikar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karnnikar | United States, Thailand |