Family name ديول (Diol 
, Deol 
, ديول 
) , all around the world, is quite a common last name. The surname ديول is habitual in Gabon, where it is quite a rare surname, Senegal, and United Arab Emirates. Not in comparison with a country's population, the name is most common in India, Canada, and the United States. Very seldom, ديول is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diol | Senegal, Indonesia, India, Democratic Republic of the Congo, United States |
| Deol | United Arab Emirates, India, Canada, United States, United Kingdom |
| ديول | Yemen |