Cognomen Mustaak (Mustaak 
) , across the world, is a very rare last name. The family name Mustaak is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Mustaak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mustaak | India, Pakistan, South Africa, Saudi Arabia |