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Globally, Oklen (Oklen
) is a very rare primarily masculine, but very seldom feminine first name. The forename Oklen is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is a very rare masculine name. Likewise, Oklen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Oklen | Philippines, Canada, Tanzania, India, Croatia |