| commesso viaggiatore | commercial traveler |
| commestibile | edible |
| commestìbili | victuals |
| commettere | commit |
| commettere sacrilegio | desecrate |
| commettere un errore | make a mistake |
| commettere una frode | commit fraud |
| Commewijne | Commewijne District |
| commiato | valediction |
| Commio | Commius |
| commiserare | commiserate |
| commiserazione | sympathy |
| commissariato | police station |
| commissariato di polizia | police station |
| commissario | captain |
| commissario capo | police chief |
| commissario di bordo | purser |
| Commissario europeo per il Multilinguismo | European Commissioner for Multilingualism |
| Commissario europeo per la Concorrenza | European Commissioner for Competition |
| Commissario europeo per la Salute | European Commissioner for Health |
| Commissario europeo per la Tutela dei Consumatori | European Commissioner for Consumer Protection |
| Commissario Maigret | Commissaire Jules Maigret |
| commissione | board |
| Commissione Barroso | Barroso Commission |
| Commissione Bulgara per i Toponimi Antartici | Antarctic Place-names Commission |
| Commissione del diritto internazionale | International Law Commission |
| Commissione Delors | Delors Commission |
| Commissione Elettrotecnica Internazionale | International Electrotechnical Commission |
| Commissione Europea | European Commission |
| Commissione Hallstein I | Hallstein Commission |
| Commissione internazionale per la caccia alle balene | International Whaling Commission |
| Commissione Malfatti | Malfatti Commission |
| Commissione Mansholt | Mansholt Commission |
| Commissione Marín | Marín Commission |
| Commissione per i Diritti Umani | United Nations Commission on Human Rights |
| Commissione Prodi | Prodi Commission |
| Commissione Santer | Santer Commission |
| commissione speciale | task force |
| Commissione Thorn | Thorn Commission |
| Commissione Trilaterale | Trilateral Commission |
| commissione urgente | rush order |
| Commissione Warren | Warren Commission |
| commisurare | adapt |
| commisurato | measured |
| Committed Information Rate | Committed Information Rate |
| Committee on Data for Science and Technology | Committee on Data for Science and Technology |
| committente | client |
| Commodiano | Commodianus |
| Commodo | Commodus |
| Commodore International | Commodore International |
| Commodore MAX Machine | Commodore MAX Machine |
| Commodore PET | Commodore PET |
| Commodores | Commodores |
| commodoro | commodore |
