Selenia may refer to:
*
Selenia (company)
Alenia Aeronautica was an Italian aerospace company. Its subsidiaries included Alenia Aermacchi and Alenia Aeronavali.
Alenia Aeronautica was also the part-owner of ATR, a joint venture with European Aeronautic Defence and Space Company (EADS).
...
, an Italian electronics company merged into Alenia Aeronautica
*
''Selenia'' (moth), a genus of moths
*
''Selenia'' (plant), a genus of plants
* Selenia, a character from the film ''
Arthur and the Invisibles
''Arthur and the Invisibles'' or ''Arthur and the Minimoys'' (French: ''Arthur et les Minimoys'') is a 2006 English-language French fantasy adventure comedy animated/live-action film directed and co-written by French filmmaker Luc Besson. It is ...
''
{{disambiguation, genus