| chiusa ad aria | écluse à air |
| chiuse le virgolette | fermez les guillemets |
| chiuso | fermé |
| chiuso bene | bien fermé |
| chiusura | clôture |
| Chiusura algebrica | Clôture algébrique |
| chiusura di sicurezza | capsule |
| chiusura di un'azienda | fermeture d'une entreprise |
| Chiusura integrale | Anneau intègre |
| chiusura lampo | fermeture éclair |
| Chiva | Chiva |
| Chivas de Guadalajara | Chivas de Guadalajara |
| Chivasso | Chivasso |
| Chivy-lès-Étouvelles | Chivy-lès-Étouvelles |
| Chiyo | Chiyo |
| Chiyoda | Chiyoda |
| Chiyonofuji | Mitsugu Chiyonofuji |
| Chişinău | Chişinău |
| Chișinău | Chișinău |
| chlamydia | chlamydia |
| Chlamydia trachomatis | Chlamydia trachomatis |
| Chlamydomonas | Chlamydomonas |
| Chlamydosaurus kingii | Lézard à collerette |
| Chlamydoselachidae | Chlamydoselachus anguineus |
| Chlamyphorus truncatus | Chlamydophore tronqué |
| Chlidonias niger | Guifette noire |
| Chlodwig zu Hohenlohe-Schillingsfürst | Chlodwig de Hohenlohe-Schillingsfürst |
| Chloebia gouldiae | Erythrura gouldiae |
| Chlorophyceae | Chlorophyceae |
| Chlorophyta | Chlorophyta |
| Chlorophytum | Chlorophytum |
| Chmod | Chmod |
| CHO | CHO |
| Cho Chang | Cho Chang |
| Cho Oyu | Cho Oyu |
| CHOAM | CHOM |
| Choanomonada | Choanomonada |
| Chobits | Chobits |
| choc | choc |
| Chocobo | Chocobo |
| Chocolat | Le Chocolat |
| Chocques | Chocques |
| Choi Eun-Kyung | Choi Eun-Kyung |
| Choiseul | Province de Choiseul |
| Choisey | Choisey |
| Choisy | Choisy |
| Choisy-le-Roi | Choisy-le-Roi |
| Chojnów | Chojnów |
| Cholet | Cholet |
| Choloepus | Megalonychidae |
| Choloepus didactylus | Paresseux à deux doigts |
| Cholula | Cholula |
| Chondrichthyes | Chondrichthyes |
| Chondrus crispus | Chondrus |
| Chonghua | Chonghua |
| Chongqing | Chongqing |
| Chonita Coleman | Chonita Coleman |
| chop suey | chop suey |
