Surname Sinnakaruppan (Sinnakaruppan 
) , in the entire world, is a rare cognomen. The surname Sinnakaruppan is habitual in Malaysia, where it is a rare surname, Singapore, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Sinnakaruppan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinnakaruppan | Malaysia, India, Sri Lanka, Singapore |