Places beginning with CL in Iowa, United States
- Clara
- Clare
- Clarence
- Clarinda
- Clarinda Junction (historical)
- Clarion
- Clark
- Clarkdale
- Clarke County
- Clarkson (historical)
- Clarksville
- Clark, Township of
- Clay County
- Clay Mills
- Clayton
- Clayton Center
- Clayton County
- Clayton, Township of
- 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
- Clay, Township of
- Clay, Township of
- Clear Creek Mobile Home Park
- Clear Creek, Township of
- Clear Creek, Township of
- Clear Creek, Township of
- Clearfield
- Clear Lake
- Clear Lake, City of
- Clear Lake, Township of
- Clear Lake, Township of
- Cleghorn
- Clemons
- Cleona, Township of
- Clermont
- Clermont, Township of
- Cleveland, Township of
- Cleveland, Township of
- Cleves
- Cliffland
- Climax
- Climbing Hill
- Clinton
- Clinton Center
- Clinton, City of
- Clinton County
- Clinton Stock Yards
- Clinton, Township of
- Clinton, Township of
- Clinton, Township of
- Clinton, Township of
- Clio
- Clive
- Cloud
- Cloverdale
- Clucas
- Clutier
- Clyde