Family name يوم (يوم 
, Yumu 
) , across the world, is quite a rare last name. The surname يوم is habitual in Northern Africa, particularly Egypt, where it is quite a rare surname, Libya, and Sudan. Not in comparison with a country's population, it is commonest in Egypt, Sudan, and Iraq. More prevalently, يوم is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| يوم | Saudi Arabia, Libya, Iraq, Sudan, Egypt |
| Yumu | Malaysia, China, India, Nigeria, Philippines |