Alenia may refer to:
- Alenia Aermacchi, an Italian aeronautics company, founded in 2012
- Alenia Aeronautica, a former Italian aeronautics company, founded in 1990 and merged into Alenia Aermacchi
- Alenia Marconi Systems, a former Anglo-Italian defence electronics company
- Alenia Spazio, an Italian aerospace company (now Thales Alenia Space)
- Alenia (butterfly), a genus of skippers in the family Hesperiidae
|This disambiguation page lists articles associated with the title Alenia.
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