Family name Saifddin (Saifddin 
) , in the entire world, is a very rare surname. The cognomen Saifddin is characteristic of Singapore, where it is a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Saifddin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saifddin | Singapore, India, Malaysia |