Encyclopedias, Almanacs, Transcripts, and Maps
- Cavendish Laboratory
- Cavendish, Lord Frederick Charles
- Caventou, Joseph Bienaimé
- Caves of the Thousand Buddhas
- Caxias do Sul
- Cayes
- Cayey
- Caylus, Marie Marguerite, comtesse de
- CB radio
- Ceanannus Mór
- Ceará
- Cebu
- Cecco d'Ascoli
- Cecil, Edgar Algernon Robert, 1st Viscount Cecil of Chelwood
- Cecil, Robert
- Cecil, William
- Cecrops
- cecum
- Cedar Breaks National Monument
- Cedar Creek