Cognomen Najamuddin (Najamuddin 
) , all over the world, is quite a rare surname. The family name Najamuddin is characteristic of Qatar, where it is a rare surname, Indonesia, and United Arab Emirates. Measured by absolute frequency, it most frequently occurs in Indonesia, India, and Malaysia. More prevalently, Najamuddin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Najamuddin | Indonesia, Malaysia, Nepal, Saudi Arabia, India |
|
agusrin maryono najamuddin Indonesian politician, ID (b. 1969) |
|
| kamal najamuddin Pakistani cricketer, PK (b. 1954) |
|
|
| mu ilman najamuddin Indonesian politician (born 1973), ID (b. 1973) |
|