Barrios de Ohio O

• Oakley (27)
• Ohio City (26)
• Old Brooklyn (23)
• Old Dayton (2)
• Old North Columbus (100)
• Old North Dayton (9)
• Old West End (8)
• Olde Orchard (1)
• Olde Sawmill (4)
• Olde Town East (19)
• Olde Town East-Columbus (17)
• Olde Towne (7)
• Olentangy (7)
• Olentangy Commons (2)
• Olentangy High Bluffs (1)
• ONYX (5)
• Oregon (4)
• Oriole Heights (1)
• Ottawa (34)
• Outer Campbell/Struthers (3)
• Outer Canfield/Poland (4)
• Outer Canton (36)
• Outer Centerville/Kettering (51)
• Outer Dublin/Hilliard (26)
• Outer East Dayton (7)
• Outer East/Tallmadge (5)
• Outer Greater Hilltop (37)
• Outer Northeast (17)
• Outer Northeast Columbus (14)
• Outer Southern Columbus (21)
• Outer Upper Arlington (22)
• Over-The Rhine (56)