Throughout the world, Joiel (Juvel 
, Joyel 
, Joia 
) is a common dominantly boy's, but infrequently female forename. The first name Joiel is characteristic of the Democratic Republic of the Congo, where it is quite a rare masculine name, Oman, and Qatar. Measured by absolute frequency, this name is the most popular in the Democratic Republic of the Congo, India, and Philippines. Likewise, Joiel is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Juvel | Democratic Republic of the Congo, United States, Mexico, Philippines, India |
| Joyel | Brazil, United States, Bangladesh, Philippines, India |
| Joia | Brazil, Angola, Mozambique, Pakistan, India |
| Joiel | Philippines, India, United States, Brazil |