| Cycling Manager | Pro Cycling Manager |
| Cyclorrhapha | Cyclorrhapha |
| Cydonia oblonga | Quince |
| Cydonia oblunga | Quince |
| Cygnus | Swan |
| Cygnus olor | Mute Swan |
| Cygwin | Cygwin |
| Cylindrophis ruffus | Cylindrophis ruffus |
| Cylindropuntia | Cylindropuntia |
| Cyloni | Cylon |
| Cymbopogon | Southernwood |
| Cynara scolymus | Globe artichoke |
| Cyndi Lauper | Cyndi Lauper |
| Cynegils del Wessex | Cynegils of Wessex |
| Cynewulf del Wessex | Cynewulf of Wessex |
| Cynictis penicillata | Yellow Mongoose |
| Cynocephalus volans | Philippine Flying Lemur |
| Cynodon dactylon | Cynodon dactylon |
| Cynogale bennettii | Otter Civet |
| Cynoglossum | Cynoglossum |
| Cynognathus | Cynognathus |
| Cynric del Wessex | Cynric of Wessex |
| Cynthia Nixon | Cynthia Nixon |
| Cynthia Rothrock | Cynthia Rothrock |
| Cyperaceae | Cyperaceae |
| Cyperus | Cyperus |
| Cyperus alternifolius | Cyperus alternifolius |
| Cyperus esculentus | Cyperus esculentus |
| Cyperus papyrus | Cyperus papyrus |
| Cypress Hill | Cypress Hill |
| Cypria | Cypria |
| Cyprinidae | Cyprinid |
| Cypriniformes | Cypriniformes |
| Cyprinodontidae | Pupfish |
| Cyprinodontiformes | Cyprinodontiformes |
| Cyprinus | Cyprinus |
| Cypripedium acaule | Cypripedium acaule |
| Cypripedium calceolus | Cypripedium calceolus |
| Cyric | Cyric |
| Cyrus Scofield | Cyrus Scofield |
| Cysoing | Cysoing |
| Cytisus scoparius | Cytisus scoparius |
| Cyttidae | Cyttus |
| CZ | CZ |
| Czech Airlines | Czech Airlines |
| Czeslaw Milosz | Czesław Miłosz |
| Czesław Niemen | Czesław Niemen |
| Czesław Słania | Czesław Słania |
| Częstochowa | Częstochowa |
| càlcolo | bill |
| Càmera | Chamber |
| càmera da letto | bedroom |
| càmera doppia | double room |
| càmera privata | private room |
| càmera sìngola | single room |
| cànapa | hemp |
| Càrcer | Càrcer |
| càrcere | prison |
| càvolo | cabbage |
| Cádice | Cadiz |
| Cádiz Club de Fútbol | Cádiz CF |
| Cándido López | Cándido López |
| Cáo Cāo | Cao Cao |
| Cássio de Souza Soãres | Lincoln |
| Câmara de Lobos | Câmara de Lobos |
| Câmpeni | Câmpeni |
| Câmpia Turzii | Câmpia Turzii |
| Câmpulung | Câmpulung |
| Câţcău | Câţcău |
| Cão da Serra da Estrela | Estrela Mountain Dog |
| Cão de Fila de São Miguel | Cão Fila de São Miguel |
| Cædmon | Cædmon |
| cèdere | televise |
| cèlibe | bachelor |
| cèreo | waxy |
| Cédric Gracia | Cédric Gracia |
| Cédric Pioline | Cédric Pioline |
| Cédric Roussel | Cédric Roussel |
| Célestin Freinet | Célestin Freinet |
| Céligny | Céligny |
| Céline Dion | Celine Dion |
| Cély-en-Bière | Cély |
| Céreste | Céreste |
| Céret | Céret |
| César | César Aparecido Rodrigues |
| César Franck | César Franck |
| César Luis Prates | César Luís Prates |
| César Rodríguez Álvarez | César Rodríguez Álvarez |
| César Sampaio | César Sampaio |
| César Vallejo | César Vallejo |
| Cìano | Cyan |
| cìmice | drawing-pin |
| cìnematògrafo | cinema |
| Círdan | Círdan |
| cògliere | gather |
| còlica | colic |
| còmodo | comfortable |
| cònico | conical |
| còstola | rib |
| còttimo | chord |
| cómpiere | perform |
| Córdoba | Córdoba |
| Córdoba Club de Fútbol | Córdoba CF |
| Cölbe | Cölbe |
| cùlmine | top |
| cùmulo | lot |
| cùneo | chock |
| Cúcuta | Cúcuta |
| Cúcuta Deportivo | Corporación Nuevo Cúcuta Deportivo |
| Călin Popescu Tăriceanu | Călin Popescu-Tăriceanu |
