Surname Muddaththir (Muddaththir 
) , in the entire world, is a rare family name. The family name Muddaththir is habitual in Malaysia, where it is quite a rare surname, Nigeria, where it is an extremely rare surname, and the United States. Much less frequently, Muddaththir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muddaththir | South Africa, Malaysia, Nigeria, United States, Tanzania |