Around the world, Iolla (Jol 
, Иолла 
, Iolla 
) is quite a common gender-neutral first name. The first name Iolla is habitual in the Democratic Republic of the Congo, where it is quite a rare principally male, but very seldom female name, Bangladesh, where it is quite a rare mostly female, but uncommonly male name, and Belgium, where it is a rare male name. Measured by absolute frequency, it most frequently occurs in the Democratic Republic of the Congo, Bangladesh, and India. Likewise, Iolla is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jol | Malaysia, Bangladesh, Indonesia, India, Democratic Republic of the Congo |
| Иолла | Russia, Kazakhstan |
| Iolla | Italy, Brazil, United States |