Sidonia (disambiguation)
Sidonia stands for:
- Sidonia , a female given name
- (579) Sidonia , an asteroid of the main belt
- Medina-Sidonia , a city in the southern Spanish region of Andalusia
- Sidonie, part of Brumov-Bylnice in the Czech Republic; see Sidonie (Brumov-Bylnice)
- The setting of the manga and anime Knights of Sidonia