Cognomen Таджуддин (Tajuddin 
, Thajudeen 
, Таджуддин 
) , all over the world, is a common surname. The cognomen Таджуддин is characteristic of Brunei, where it is quite a common surname, Malaysia, and Sri Lanka (explore the name in all countries). Not in comparison with a country's population, the name is most common in Malaysia, India, and Indonesia. Likewise, Таджуддин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tajuddin | Indonesia, Saudi Arabia, Malaysia, India, Bangladesh |
| Thajudeen | Saudi Arabia, United Arab Emirates, Sri Lanka, Malaysia, India |
| Таджуддин | Russia, Belarus |
Tadjouddine, and Tadjuddin