| commodity | prodotto |
| commodore | commodoro |
| Commodore Datassette | Datassette |
| Commodore International | Commodore International |
| Commodore MAX Machine | Commodore MAX Machine |
| Commodore PET | Commodore PET |
| Commodores | Commodores |
| Commodus | Commodo |
| common | comune |
| common agreement | accordi comuni |
| common agricultural policy | politica agricola comune |
| common agricultural policy of the EU | politica agricola comune |
| common alder | ontano comune |
| Common basilisk | Basiliscus |
| Common blackbird | Turdus merula |
| Common Bluebell | Scilla |
| common chickweed | centocchio comune |
| Common chiffchaff | Phylloscopus collybita |
| Common Chimpanzee | Pan troglodytes |
| Common cold | Raffreddore comune |
| common commercial policy | politica commerciale comune |
| common crane | gru |
| Common Crossbill | Loxia curvirostra |
| Common dace | Corylus avellana |
| common death adder | acantofide |
| common denominator | denominatore comune |
| Common descent | Ultimo antenato comune universale |
| Common Desktop Environment | Common Desktop Environment |
| Common Development and Distribution License | Common Development and Distribution License |
| common divisor | divisore comune |
| Common Duiker | Sylvicapra grimmia |
| Common Dwarf Mongoose | Helogale parvula |
| Common Eider | Somateria mollissima |
| Common Era | Era volgare |
| Common ethanol fuel mixtures | Miscela di etanolo |
| Common European Framework of Reference for Languages | CEFR |
| common factor | divisore comune |
| Common Fig | Ficus carica |
| Common Fisheries Policy | Politica comune della pesca |
| Common Foreign and Security Policy | Politica estera e di sicurezza comune |
| Common fractions | Frazione |
| Common Frog | Rana temporaria |
| Common Gateway Interface | Common Gateway Interface |
| Common Genet | Genetta genetta |
| Common grace | Grazia comune |
| common ground | terreno comune |
| Common Guillemot | Uria aalge |
| common gull | gavina |
| Common Hardware Reference Platform | Common Hardware Reference Platform |
| Common Hawthorn | Crataegus monogyna |
| Common Hazel | Corylus avellana |
| Common Hogweed | Heracleum sphondylium |
| Common Horse-chestnut | Aesculus hippocastanum |
| Common horsechestnut | Aesculus hippocastanum |
| Common house martin | Delichon urbica |
| Common house-martin | Delichon urbica |
| Common inn stay | Servizio assistenza garanzia |
| Common Intermediate Language | Common Intermediate Language |
| Common Iora | Aegithina tiphia |
| common kestrel | gheppio |
| Common Kingfisher | Alcedo atthis |
| Common Language Runtime | Common Language Runtime |
| common lavender | lavanda vera |
| Common Medlar | Mespilus germanica |
| Common mora | Municipalità di Mora |
| common multiple | multiplo comune |
| common noun | nome comune |
| Common Octopus | Octopus vulgaris |
| common people | popolo |
