Selenia may refer to:
*
Selenia (company)
Alenia Aeronautica was an Italian aerospace company. Its subsidiary, subsidiaries included Aermacchi, Alenia Aermacchi and Alenia Aeronavali.
Alenia Aeronautica was also the part-owner of ATR (aircraft manufacturer), ATR, a joint venture with E ...
, 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''
{{disambiguation, genus