In all the world, Ostoja (Ostoja 
, Остоя 
) is a rare masculine first name. The first name Ostoja is habitual in Bosnia and Herzegovina, where it is quite a rare male name, Croatia, and Austria, where it is a rare boy's name. Very seldom, Ostoja is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ostoja | Serbia, Croatia, Bosnia and Herzegovina, United States, Poland |
| Остоя | Russia, Ukraine |
| ostoja of bosnia King of Bosnia (b. 1378) |
|
|
| ostoja roguski BR (b. 1883) |
|
|
| ostoja mrkojević Serbian painter |
|
|
| ostoja steve vucic |
|
|
| ostoja spuž |
|
Ewa, Krstic, Pejcic, Ristic, Guzvic, Tomich, Čenić, Marusic, Popovic, Trkulja, Vucetic, Ostojic, Markovic, Krystyna, Knezevic, Nikolić, Ivanovic, Mitrović, Stankovic, Jovanovic, Mijailovic, Jovanović, Kostic, Todorović, Bubulj, Cvijic, Matic, Misic, Saric, Savic, Cosic, Bajic, Busić, Radic, Rosic, Rikic, Dacic, Gajic, Lazic, Jelic, Nedic, Vucic, Irena, Mandic, Stanic, Strbac, Stijak, Bajić, and Trifunovic