- Odnorih
- Oliinykova Sloboda
- Olshanytsia
- Orikhovets
- Ostriiky
- Ostriv
- Otday-Pole
- Ozerno
- Ozhehivka
- Ozerne
- Oleksandrynivka
- Oleksiivka
- Opanasiv
- Ozera
- Ozershchyna
- Olenivka
- Osykove
- Obukhiv
- Ocheretiane
- Oleksandrivka
- Onatsky
- Obukhovychi
- Okremyy Les
- Olyva
- Olyzarivka
- Omelianivka
- Orane
- Oseshchyna
- Osovets
- Ovdiiva Nyva