Cognomen Karnasingh (Karnasingh 
) , in the entire world, is a rare last name. The family name Karnasingh is characteristic of India, where it is a very rare surname, and China, where it is an extremely rare surname. Predominantly, Karnasingh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karnasingh | India, China |