Surname Syed Mahdi (Syed Mahdi 
) , in all the world, is an extremely rare cognomen. The cognomen Syed Mahdi is habitual in South-eastern Asia, particularly Malaysia, where it is an extremely rare surname. Much more prevalently, Syed Mahdi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Syed Mahdi | Malaysia |
Shah, Hassan, Syed Faozi, Syed Fikri, Syed Alham, Syed Faozi Barakbah, and Syed Faozi Barkabah