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In all the world, Kleyn (Kleyn
, Клейн
, Клеын
) is a very rare largely boy's, but uncommonly feminine given name. The given name Kleyn is habitual in Latin America and the Caribbean, particularly Panama, where it is a rare boy's name. Much more frequently, Kleyn is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kleyn | Netherlands, Australia, United States, Sri Lanka, South Africa |
| Клейн | Kazakhstan, Russia, Moldova, Azerbaijan, Ukraine |
| Клеын | Russia |
| Клеин | Belarus, Kazakhstan, Kyrgyzstan, Russia |