| C/1988 P1 | C/1992 N1 | C/1994 T1 |
| C/2001 Q4 (NEAT) | C/2012 S1 (ISON) | C/2019 Y4 (ATLAS) |
| C/2020 F3 (NEOWISE) | C/2022 E3 (ZTF) | C/D |
| C11-15-iso-Alkan | C6H3N3O7 | C6H8O6 |
| C9H13NO3 | Ca | CA |
| CA Osasuna | Ca' d'Oro | Ca' Foscari |
| CA-12 | Caño Cristales | Cabala |
| Cabaret Voltaire | Cabell Breckinridge | Cabera exanthemata |
| Cabernet franc | Cabernet sauvignon | Cabernet Sauvignon |
| Cabernet-sauvignion | Caberto Conelli | Cabildo de Buenos Aires |
| Cabildo de Salta | Cabildo v Buenos Airesu | Cabildo, Buenos Aires |
| Cabirijine noči | Cable News Network | Cabo da Roca |
| Cabo Verde | Cabourg | Cabrera |
| Cabuna | CAC | CAC 40 |
| CAC Sabre | CAC-12 | CAC/PAC JF-17 Thunder |
| Cacajao | Cacatua galerita | Cacatua galerita galerita |
| Cacatua moluccensis | Cacatuidae | Cacatuinae |
| Cacau | Cacık | Caccia |
| Cachan | Caché (film) | Cache (film) |
| Cachen | Cachoeira do Sul | Cacia |
| Caciki | Cacio e pepe | Caciocavallo |
| Cacopsylla pyrisuga | Cactaceae | Cactoblastis cactorum |
| CAD | Cadetova tekočina | Cadillac |
| Cadillac, Gironde | Cadiz | Cadours |
| Cadwell 46 | Caeleb Dressel | Caelifera |
| Caen | Caenorhabditis elegans | Caerdydd |
| Caere | Caerleon | Caernarfon |
| Caerostris | CAES | Caesar |
| Caesar de Choiseul | Caesar, duc de Choiseul | Caesars Palace Grand Prix Circuit |
| CAF | Caf | Café Filho |
| Café Society (film) | Cafe Filho | Cafesijanov muzej umetnosti |
| Caffarelli | Caffè espresso | Cafova ulica, Maribor |
| Cafu | Cafuta | Cage |
| Cage (razločitev) | Cage, Hrvaška | CAGI |
| Caginec | Cagiva | Cagliari |
| Cagliari (pokrajina) | Cagliari Calcio | Cagn |
| Cagnano | Cagnes-sur-Mer | Cagnotte |
| Cahal | Cahal Brandan Daly | Cahal Daly |
| Caharija Delfin | Cahe | Cahen |
| Cahenova konstanta | Cahit Arf | CAHL |
| CAHL (razločitev) | Cahokia | Cahors |
| Cahurščina | Cahurski jezik | CAIC Z-10 |
| Cain | Cainkar | Caipirinha |
| Cairn terier | Cairo | Caisleán an Rois |
| Caisra | Caissa | Caitlyn Jenner |
| Caitlyn Marie Jenner | Caius Gabriel Cibber | Cajalova celica |
| Cajetan Franz Alexander Graf von Attems-Heiligenkreuz | Cajetan Franz Alexander von Attems-Heiligenkreuz | Cajhen |
| Cajnarje | Cajnkar | Cajnko |
| Cakanovac | Cakóház | Cakóháza |
| Cal Niday | Calabijev trikotnik | Calabria |
| Calacuccia | Calais | Calakmul |
| Calama | Calaquendiji | Calcalong Creek (meteorit) |
| Calcaneus | Calcatoggio | Calcutta |
| Caldairou | Calder Memorial Trophy | Calder Trophy |
| Calderon de la Barca | Caldwell 20 | Caldwell 23 |
| Caldwell 46 | Caldwell 49 | Caldwell 99 |
| Cale Nuske | Caleb Bragg | Calenardhon |
| Calendula officinalis | Calenzana | Calera, Alabama |
| Calgary | Calgary, Alberta | Cali |
| Calidris temminckii | California | California (glasbena skupina) |
| California Institute of Technology | California News Publishers Association | Californication |
| Californija | Calimero | Calixte-Louis-François-Joseph Roussel |
| Calixte-Marie-Paul d'Aurelle de Montmorin de Saint-Hérem | Call It Love | Call of Cthulhu: Dark Corners of the Earth |
| Call of duty | Call of Duty (videoigra) | Call of Duty 2 |
| Call of duty2 | Call of Duty: World at War | Call of Juarez |
| Calla palustris | Callac | Callaghan |
| Calle Johansson | Callen | Callidium violaceum |
| Callimorpha hera | Callimorpha quadripunctaria | Calling Time |
| Calliphora insidiosa | Calliphora monspeliaca | Calliphora musca |
| Calliphora nana | Calliphora rufifacies | Calliphora spitzbergensis |
| Calliphora vicina | Calliphora vomitoria | Callista chione |
| Callopeltis leopardinus | Callophrys rubi | Callum Hudson-Odoi |
| Calmato | Calmo | Calopteryx splendens |
| Calopteryx virgo | Calosoma auropunctatum | Calosoma inquisitor |
| Calosoma sycophanta | Calospilos sylvata | Caltabellottski sporazum |
| Caltanissetta | Caltanissetta (pokrajina) | Caltech |
| Caluire-et-Cuire | Calvados | Calvados (departma) |
| Calvados (pijača) | Calvi | Calvi (razločitev) |
| Calvin | Calvin (stripovski junak) | Calvin Coolidge |
| Calvin Harris | Calvin in Hobbes | Calycanthus |
| Calypso - Grška boginja | CAM | CAM (biologija) |
| Cam Gigandet | CAM ladja | Camaïeu |
| Camaieu | Camaje | Camara Jones |
| Camarès | Camares | Camargo |
| Camargue | Cambia | Cambodunum |
| Cambrai | Cambrajska liga | Cambremer |
| Cambridge | Cambridge (razločitev) | Cambridge, Massachusetts |
| Cambridge, Ontario | Cambrijsko hribovje | Camelidae |
| Camellia japonica | Camellia sinensis | Camelopardalis |
| Camelus | Camelus bactrianus | Camelus dromedarius |
| Camembert | Cameo | Camera degli Sposi |
| Camera obscura | Camera obscura (razločitev) | Camera obscura (roman) |
| Cameraria ohridella | Camerata Labacensis | Camerata labacensis |
| Camerlengo | Cameron | Cameron Baerg |
| Cameron Bright | Cameron Diaz | Cameron Gordon Graham Nicholson |
| Cameron MacDonald Nicol | Cameron Mavdonald Nicol | Cameron McDonald Nicol |
| Cameroon | Camilie-Léon Duffet | Camilla Brunelli |
| Camilla in Rebecca Rosso | Camilla Nilsson | Camilla, kraljica žena |
| Camilla, Kraljica Združenega Kraljevstva | Camille Adalbert Marie Clément de La Roncière-Le Noury | Camille d'Hostun, duc de Tallard |
| Camille Flammarion | Camille Guillaume Bigourdan | Camille Jenatzy |
