Family name Kannapan (Kannapan 
) , throughout the world, is a rare cognomen. The cognomen Kannapan is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, where it is a very rare surname, and Thailand. Measured by absolute frequency, it is commonest in Malaysia, India, and Japan. Likewise, Kannapan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kannapan | Japan, Malaysia, Thailand, India, Singapore |