Places beginning with CL in Ohio, United States
- Claiborne
- Claibourne, Township of
- Clare
- Claremont
- Claridon
- Claridon
- Claridon, Township of
- Claridon, Township of
- Clarington
- Clarion
- Clark
- Clark
- Clark Corners
- Clark County
- Clarks
- Clarksburg
- Clarksfield
- Clarksfield, Township of
- Clarks (historical)
- Clarkson
- Clarksville
- Clarksville
- Clarksville (historical)
- Clarktown
- Clark, Township of
- Clark, Township of
- Clark, Township of
- Clark, Township of
- Clay
- Claybank (historical)
- Clay Center
- Claylick
- Claypools (historical)
- Claysburg (historical)
- Claysville
- Clayton
- Clayton
- Clayton
- Clayton, Township of
- Clay, Township of
- Clay, Township of
- Clay, Township of
- Clay, Township of
- Clay, Township of
- Clay, Township of
- Clay, Township of
- Clay, Township of
- Clay, Township of
- Clearcreek, Township of
- Clear Creek, Township of
- Clear Creek, Township of
- Clearport
- Clearview
- Clearview
- Clear View Heights (subdivision)
- Clearview Mobile Home Park
- Clearview (subdivision)
- Clement
- Clemma (historical)
- Clendening (historical)
- Clermont County
- Clermontville
- Clertoma
- Cleveland
- Cleveland, City of
- Cleveland Heights
- Cleveland Heights, City of
- Clevengers (historical)
- Cleves
- Clifford
- Cliffyville (historical)
- Clifton
- Clifton
- Clifton
- Clifton Heights
- Clifton Park
- Climax
- Cline
- Clinton
- Clinton
- Clinton
- Clinton County
- Clinton (historical)
- Clinton, Township of
- Clinton, Township of
- Clinton, Township of
- Clinton, Township of
- Clinton, Township of
- Clinton, Township of
- Clinton, Township of
- Clinton, Village of
- Clio (historical)
- Clipper Mills
- Cloud (historical)
- Clough Heights
- Clover
- Cloverdale
- Cloverdale
- Clover Hill
- Clover Hill
- Clover Hill
- Cloverleaf (historical)
- Clowville (historical)
- Club Island
- Clyde