Ohio Neighborhoods C
- Camp Washington (3)
- Campus District (5)
- Carillon (2)
- Carthage (3)
- Cedar Hills/Broadview Acres (1)
- Cedar-Fairmount (7)
- Central (1)
- Central College (12)
- Central Hilltop (30)
- Chapel Hill (8)
- Cherry Bottom (1)
- Cherry Creek (13)
- Cherry Grove (2)
- Cheviot (8)
- City Center (49)
- Clark-Fulton (33)
- Cleveland Heights (5)
- Clifton (267)
- Clintonville (39)
- College Hill (22)
- College Hill-Montgomery (3)
- Colonial Heights (1)
- Columbia-Tusculum (8)
- Copley/Fairlawn (7)
- Corlett (29)
- Cornell Heights (5)
- Corryville (49)
- Cottage Grove (4)
- Covedale (8)
- Cranbrook (2)
- Cross Creek (13)
- Crosswoods (10)
- Cudell (37)
- Cumberland Ridge (3)