Alena is a feminine given name. It may be either derived from the name Helene or as a diminutive form of Magdalena.

In the Balkans, this spelling of the name is predominantly found among the peoples of the former Yugoslav nations, specifically among the Bosniaks and Croats. This region also has a male equivalent: Alen.

The name is also found in the Czech Republic, Slovak Republic, Ukraine, Belarus and Russia, also with the spelling Alyona.

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