Worldwide, Mdalauddin (Mdalauddin 
) is a rare boy's forename. The first name Mdalauddin is characteristic of Western Asia, particularly Oman, where it is quite a rare male name, United Arab Emirates, where it is a rare male name, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in India, Oman, and Saudi Arabia. Very seldom, Mdalauddin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mdalauddin | Saudi Arabia, United Arab Emirates, India, Oman, Bangladesh |