Cognomen Muhamad Khairul Arifin (Muhamad Khairul Arifin 
) , in the entire world, is an extremely rare last name. The family name Muhamad Khairul Arifin is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Muhamad Khairul Arifin | Malaysia |