| criticus | critic |
| Critius | Kritios |
| Crito | Crito |
| Crittenden County | Crittenden County |
| Critérium du Dauphiné Libéré | Critérium du Dauphiné Libéré |
| Crius | Crius |
| Crivitz | Crivitz |
| Crişana | Crişana |
| Crnojević-dynastie | House of Crnojević |
| Crnojević-Ivan I | Ivan I Crnojević |
| Crnojević-Stefan | Stefan I Crnojević |
| Crnojević-Stefanica | Stefanica Crnojević |
| Cro-Magnonmens | Cro-Magnon |
| Croatia Airlines | Croatia Airlines |
| Croce Dominii | Passo di Croce Domini |
| Crocidura | Crocidura |
| Crocodile | Crocodile |
| Crocodilopolis | Crocodilopolis |
| Crocoiet | Crocoite |
| Crocotta | Crocotta |
| Croesus | Croesus |
| Croft Circuit | Croft Circuit |
| Croglio | Croglio |
| croissant | croissant |
| Croix | Cross |
| Croix-des-Bouquets | Croix-des-Bouquets |
| Croix-en-Ternois | Croix-en-Ternois |
| Croke Park | Croke Park |
| Cronay | Cronay |
| Cronquist-systeem | Cronquist system |
| Cronquistsysteem | Cronquist system |
| Cronstedtiet | Cronstedtite |
| Cronus | Cronus |
| croonen | croon |
| crooner | crooner |
| Crop factor | Crop factor |
| croquant | crispy |
| croquet | croquet |
| Cross River | Cross River State |
| Cross-platform-overstap | Cross-platform interchange |
| Cross-site scripting | Cross-site scripting |
| Crosscountry | Cross country running |
| Crossing Jordan | Crossing Jordan |
| Crossing-over | Chromosomal crossover |
| Crossmedia | Crossmedia |
| Crossosomatales | Crossosomatales |
| Crosspost | Crossposting |
| Crostau | Crostau |
| Crostwitz | Crostwitz |
| Crotale | Crotale missile |
| Crotales | Crotales |
| Crotalus viridis | Crotalus viridis |
| Crotaphytidae | Crotaphytidae |
| Crotaphytus collaris | Common Collared Lizard |
| Crotone | Crotone |
| crotonzuur | crotonic acid |
| croupier | croupier |
| Crowdsurfing | Crowd surfing |
| Crown Prince Cup | Crown Prince Cup |
| Crowning of Atlantis | Crowning of Atlantis |
| Croxley | Croxley tube station |
| Croy | Croy |
| Croydon | London Borough of Croydon |
| Crozes-Hermitage | Crozez-Hermitage AOC |
| Crozeteilanden | Crozet Islands |
| croûton | crouton |
