| Subject | # |
|---|---|
| Ocakoğlu (Alev) | 1 |
| Occupation | 35 |
| Occupation of Istanbul | 2 |
| Occupation years | 1 |
| Ochakiv | 1 |
| Ochakov Kuşatması | 1 |
| Octave Feuillet | 1 |
| Oculist | 2 |
| Oda Bora | 1 |
| Oda Theather | 1 |
| Oda Theatre | 1 |
| Oda Tiyatrosu | 2 |
| Odabaşı | 1 |
| Odabaşı Bazaar | 1 |
| Odabaşı Bridge | 1 |
| Odabaşı Camii | 2 |
| Odabaşı Çarşısı | 1 |
| Odabaşı Dervish Lodge | 1 |
| Odabaşı Hasan Ağa | 1 |
| Odabaşı Hüseyin | 1 |
