Across the world, Donlan (Donlan 
) is a very rare unisex first name. The first name Donlan is habitual in the United States, where it is an extremely rare primarily masculine, but very infrequently girly name, and India, where it is an extremely rare epicene name. Predominantly, Donlan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Donlan | Australia, Canada, Ireland, United Kingdom, United States |