| commodore | commodore |
| Commodore Dynamic Total Visio | Commodore Dynamic Total Visio |
| Commodore International | Commodore International |
| Commodore PET | Commodore PET |
| Commodores | Commodores |
| commodément | conveniently |
| Common address redundancy protocol | Common Address Redundancy Protocol |
| Common Desktop Environment | Common Desktop Environment |
| Common Development and Distribution License | Common Development and Distribution License |
| Common Era | Common Era |
| Common Gateway Interface | Common Gateway Interface |
| Common Intermediate Format | Common Intermediate Format |
| Common Language Runtime | Common Language Runtime |
| Common Lisp Object System | Common Lisp Object System |
| Common LIST | CLIST |
| Common Object Request Broker Architecture | Common Object Request Broker Architecture |
| Common Public Licence | Common Public License |
| Common Unix Printing System | Common Unix Printing System |
| Commonwealth | the Commonwealth of Nations |
| Commonwealth d’Australie | Commonwealth of Australia |
| Commonwealth Stadium | Commonwealth Stadium |
| commotion | commotion |
| commotion cérébrale | concussion |
| Commugny | Commugny |
| commun | trite |
| Commun accord | One accord |
| Commun des mortels | Common run of people |
| communal | communal |
| communautaire | communal |
| communauté | public |
| Communauté andine | Andean Community of Nations |
| Communauté autonome basque | Basque Country |
| Communauté autonome d'Aragon | Aragon |
| Communauté autonome de Murcie | Region of Murcia |
| Communauté autonome de Valence | Land of Valencia |
| Communauté autonome du Pays-Basque | Basque Country |
| Communauté bear | Bear community |
| Communauté de communes | Communauté de communes |
| Communauté de développement d’Afrique australe | Southern African Development Community |
| Communauté de Madrid | Madrid |
| Communauté de pratique | Community of practice |
| communauté de sœurs | sisterhood |
| Communauté de Taizé | Taizé Community |
| Communauté de vie | Biome |
| Communauté de vie chrétienne | Christian life community |
| Communauté des pays de langue portugaise | Community of Portuguese Language Countries |
| Communauté des États indépendants | Commonwealth of Independent States |
