Family name Masub (Masub 
) , throughout the world, is a rare cognomen. The cognomen Masub is habitual in Oman, where it is a rare surname, Saudi Arabia, where it is a very rare surname, and Pakistan, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Oman, India, and Saudi Arabia. More prevalently, Masub is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Masub | Oman, Pakistan, United States, India, Saudi Arabia |