Across the world, Добай (Dobai 
, Dobay , Добай 
) is a rare unisex first name. The first name Добай is characteristic of Romania, where it is a rare epicene name, Hungary, and India, where it is an extremely rare unisex name. More frequently, Добай is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dobai, Dobay | Romania, Algeria, Hungary, United States, India |
| Добай | Kazakhstan, Ukraine, Russia |