Across the world, Деин (Deine 
, Dein 
, Deyn 
) is quite a rare epicene first name. The first name Деин is habitual in the Democratic Republic of the Congo, where it is a rare girly name, Brazil, where it is a very rare male name, and Indonesia, where it is a very rare unisex name. Not in comparison with a country's population, the name is most common in the Democratic Republic of the Congo, India, and Brazil. Also, Деин is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Deine | Brazil, United States, Germany, Democratic Republic of the Congo, India |
| Dein | Myanmar, Germany, United States, Pakistan, Egypt |
| Deyn | Belgium, United States, Germany, India, Indonesia |
| Деин | Russia, Kazakhstan |