Encyclopedias, Almanacs, Transcripts, and Maps
- Cleary, Beverly
- Cleaveland, Moses
- Cleburne
- Clegg, Nick
- Clement III (antipope)
- Clement of Rome
- Clément, Jacques
- Clemson University
- Cleobis
- Cleopatra's Needles
- Cleophas
- Clergy Reserves
- Clerides, Glafkos John
- Cletus, Saint
- Cleveland (former county, England)
- Cleveland Heights
- Cleveland State University
- Cleveland, Barbara Villiers, duchess of
- Cleveland, Frederick Albert
- Cleves