In the world, دولو (Dulu 
, Dolo 
, Dollo 
) is a common epicene forename. The forename دولو is characteristic of India, where it is quite a rare gender-neutral name, Qatar, where it is quite a rare male name, and Ethiopia, where it is a rare epicene name. Not in comparison with a country's population, the name is most common in India, Ethiopia, and Bangladesh. Also, دولو is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dulu | France, India, Bangladesh, South Africa, Indonesia |
| Dolo | Mali, India, South Africa, Liberia, Indonesia |
| Dollo | France, Indonesia, India, South Africa, Democratic Republic of the Congo |
| دولو | Iran, Sudan |