Cognomen Kamarulbahrin (Kamarulbahrin 
) , in all the world, is a very rare family name. The last name Kamarulbahrin is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, and Singapore, where it is a very rare surname. Also, Kamarulbahrin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kamarulbahrin | Malaysia, Singapore |