All around the world, ديول (Diol 
, Deol 
, ديول 
) is a rare dominantly boy's, but uncommonly female first name. The forename ديول is characteristic of the Democratic Republic of the Congo, where it is a rare male name, United Arab Emirates, and Saudi Arabia, where it is a very rare boy's name. Measured by absolute frequency, it is the most numerous in the Democratic Republic of the Congo, India, and United Arab Emirates. More frequently, ديول is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Diol | Senegal, United States, India, Indonesia, Democratic Republic of the Congo |
| Deol | Canada, United Arab Emirates, United Kingdom, United States, India |
| ديول | Yemen |