| cuscussù | Couscous |
| cuscuta | Seide |
| Cusio | Cusio |
| Cuspidale | Spitz |
| Cuspidat | Spitz |
| custode | Wache |
| custodia | Aufbewahrung |
| Custodia cautelare | Schutzhaft |
| custodia preventiva | Untersuchungshaft |
| custodia protettiva | Schutzgewahrsam |
| custodire | schützen |
| custodire gelosamente | hegen |
| Customer relationship management | Kundenbeziehungsmanagement |
| customizzare | speziell anfertigen |
| Cusy | Cusy |
| CUT | Cut |
| Cut-the-knot | Cut-the-knot |
| cute | Haut |
| cute anserina | Gänsehaut |
| Cuthred di Wessex | Cuthred |
| cuticola | Epidermis |
| Cutie Honey | Cutie Honey |
| cutrettola | Bachstelze |
| cutter | Kutter |
| Cutting Crew | Cutting Crew |
| Cuttura | Cuttura |
| Cutty Sark | Cutty Sark |
| Cuvetta | Küvette |
| Cuvette | Cuvette |
| Cuvette-Ouest | Cuvette-Ouest |
| Cuvier | Cuvier |
| Cuvieronius | Cuvieronius |
| Cuvry | Cuvry |
| Cuxhaven | Cuxhaven |
| CUY | Cuy |
| Cuzance | Cusance |
| Cuzdrioara | Cuzdrioara |
| CV | CV |
| Cvicino | BY |
| CVO | Cvo |
| CW | CW |
| Cwichelm di Wessex | Cwichelm |
| CX | CX |
| CY | CY |
| Cyanobacteria | Cyanobakterien |
| cyanocitta cristata | Blauhäher |
| Cyanocitta stelleri | Diademhäher |
| Cyanopsitta spixii | Spix-Ara |
| Cybercafe | Internetcafé |
| Cybercultura | Netzkultur |
| Cyberpunk | Cyberpunk |
| Cybersesso | Cybersex |
| Cybersquatting | Cybersquatting |
| Cyberwarfare | Cyberwar |
| Cybill Shepherd | Cybill Shepherd |
| cyborg | Cyborg |
| Cycadaceae | Cycas |
| Cycadales | Palmfarne |
| Cycadophyta | Palmfarne |
| Cycas | Cycas |
| Cycas revoluta | Japanischer Palmfarn |
| Cyclamen | Alpenveilchen |
| Cyclamen persicum | Zimmer-Alpenveilchen |
| Cyclamen purpurascens | Europäisches Alpenveilchen |
| Cyclamen repandum | Geschweiftblättriges Alpenveilchen |
| cyclette | Hometrainer |
| Cyclic redundancy check | Zyklische Redundanzprüfung |
| Cycling Manager | Radsport Manager Pro |
| Cyclopaedia | Cyclopaedia |
| Cyclopterus lumpus | Seehase |
| Cyclorrhapha | Deckelschlüpfer |
| Cyclostomata | Rundmäuler |
| Cydonia oblonga | Quitte |
| Cydonia oblunga | Quitte |
| Cygnus | Schwäne |
| Cygnus atratus | Trauerschwan |
| Cygnus cygnus | Singschwan |
| Cygnus olor | Höckerschwan |
| Cygwin | Cygwin |
| Cyloni | Kylon |
| Cymbopogon | Zitronengras |
| Cynara cardunculus | Disteln |
| Cynara scolymus | Artischocke |
| Cyndi Lauper | Cyndi Lauper |
| Cynegils del Wessex | Cynegils |
| Cynewulf del Wessex | Cynewulf von Wessex |
| Cynictis penicillata | Fuchsmanguste |
| Cynocephalus volans | Philippinen-Gleitflieger |
| Cynogale bennettii | Otterzivette |
| Cynoglossum | Hundszunge |
| Cynognathus | Cynognathus |
| Cynomys | Präriehunde |
| Cynric del Wessex | Cynric |
| Cynthia Nixon | Cynthia Nixon |
| Cynthia Rothrock | Cynthia Rothrock |
| Cyperaceae | Sauergrasgewächse |
| Cyperus | Zypergräser |
| Cyperus alternifolius | Zypergras |
| Cyperus esculentus | Erdmandel |
| Cyperus papyrus | Echter Papyrus |
| Cyphomandra betacea | Tamarillo |
| Cypraea | Kaurischnecken |
| Cypraeidae | Kaurischnecken |
| Cypress Hill | Cypress Hill |
| Cyprinidae | Karpfenfische |
| Cypriniformes | Karpfenartige |
| Cyprinodon diabolis | Teufelskärpfling |
| Cyprinodontidae | Eierlegende Zahnkarpfen |
| Cyprinodontiformes | Zahnkärpflinge |
| Cyprinus | Karpfen |
| Cyprinus carpio | Karpfen |
| Cypripedium calceolus | Gelber Frauenschuh |
| Cyril Northcote Parkinson | Cyril Northcote Parkinson |
| Cysoing | Cysoing |
| Cystophora cristata | Klappmütze |
| Cystus | Zistrosen |
| Cytisus | Geißklee |
| Cytisus scoparius | Besenginster |
| Cyttidae | Cyttidae |
| CZ | CZ |
| Czech Airlines | Czech Airlines |
| Czeslaw Milosz | Czesław Miłosz |
| Czesław Niemen | Czesław Niemen |
| Czesław Słania | Czesław Słania |
| Częstochowa | Tschenstochau |
| Càmera | Zimmer |
| càrdine | Angel |
| càvolo | Kraut |
| Cáceres | Cáceres |
| Cádice | Cádiz |
| Cádiz Club de Fútbol | FC Cádiz |
| Cáo Cāo | Cao Cao |
| Cássio de Souza Soãres | Lincoln |
| Câlnic | Câlnic |
| Câmara de Lobos | Câmara de Lobos |
| Câmpia Turzii | Câmpia Turzii |
| Câmpulung | Câmpulung |
| Cão da Serra da Estrela | Cão da Serra da Estrela |
| Cão da Serra de Aires | Cão da Serra de Aires |
| Cão de Fila de São Miguel | Cão Fila de São Miguel |
| Cædmon | Cædmon |
| Cédric Pioline | Cédric Pioline |
| Célestin Freinet | Célestin Freinet |
| Céligny | Céligny GE |
| Céline Dion | Céline Dion |
| Céreste | Céreste |
| Céret | Céret |
| César | César Aparecido Rodriguez |
| César Franck | César Franck |
| César Vallejo | César Vallejo |
| Cìano | Cyan |
| cìmice | Reißnagel |
| còrso | Korsisch |
