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In the world, Riyazuddin (Riyazuddin
) is a common male forename. The first name Riyazuddin is habitual in Qatar, where it is quite a rare boy's name, Saudi Arabia, and India, where it is a rare male name. In absolute terms, it is commonest in India, Saudi Arabia, and United Arab Emirates. Much less frequently, Riyazuddin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Riyazuddin | Saudi Arabia, Kuwait, India, United Arab Emirates, Qatar |
Sk, Mallik, Mondal, Sardar, Sarkar, Sayyed, Shaikh, Sheikh, Ansari, Ahamed, Pathan, Piyada, Laskar, Halder, Haldar, Mansuri, Purkait, Jamadar, Qureshi, Mahammad, Mohammad, Mohammed, Mandal, Siddique, Riyaz, Ahmed, Mia, Ali, Mohd, Miya, Shah, Sekh, Syed, Kazi, Khan, Gazi, Qazi, Malik, Molla, Momin, Mulla, Saifi, Sayed, Shaik, Sheik, Shekh, Ahmad, Khaja, and Siddiqui