Family name Saiful Izwan (Saiful Izwan 
) , worldwide, is a very rare last name. The cognomen Saiful Izwan is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname. Likewise, Saiful Izwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saiful Izwan | Malaysia |