Around the globe, Sirajiddin (Sirajiddin 
, Сирайиддин 
) is a very rare male forename. The first name Sirajiddin is characteristic of Southern Asia, particularly India, where it is an extremely rare masculine name. Much less frequently, Sirajiddin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sirajiddin | India |
| Сирайиддин | Russia |