Wikipedia
Ostoja
Ostoja may refer to:
- Ostoja, Łódź Voivodeship, a village in Poland
- Ostoja, West Pomeranian Voivodeship, a village in Poland
- Clan of Ostoja, a late medieval European clan
- Ostoja, given name
- Ostoja Stjepanović, Macedonian footballer
- Stephen Ostoja of Bosnia, Bosnian king