Surname Mdalauddin (Mdalauddin 
) , worldwide, is a very rare family name. The surname Mdalauddin is characteristic of Oman, where it is a rare surname, and Malaysia, where it is an extremely rare surname. More prevalently, Mdalauddin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mdalauddin | Saudi Arabia, India, Bangladesh, United Arab Emirates, Oman |