Family name Zonum (Zonum 
) , in the entire world, is a very rare surname. The cognomen Zonum is habitual in Saudi Arabia, where it is a rare surname, Mexico, where it is an extremely rare surname, and Philippines. Not in comparison with a country's population, it is the most numerous in Saudi Arabia, Mexico, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Zonum | Mexico, United States, Saudi Arabia, Philippines |