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 coat of arms Ostoja, masculine given name Ostoja Rajaković, Serbian medieval nobleman Ostoja Stjepanović, Macedonian footballer Stephen Ostoja of Bosnia, Bosnian king Joseph Stanislaus Ostoja-Kotkowski, Australian artist
See also
Ostojić