| Part of speech | common noun |
|---|
| Afrikaans | Desember |
|---|---|
| Albanian | dhjetor |
| Catalan | desembre |
| Czech | prosinec |
| Danish | december |
| Dutch | december |
| English | December |
| Esperanto | decembro |
| Faeroese | desember |
| Finnish | joulukuu |
| French | décembre |
| German | Dezember |
| Greek | Δεκέμβρης; Δεκέμβριος |
| Hungarian | december |
| Icelandic | desember |
| Jamaican Patois | Disemba |
| Low German | december; decembermånd; kristmånd |
| Luxemburgish | Dezember |
| Malay | bulan Disember; Desember; Disember |
| Norwegian | desember |
| Papiamento | desèmber |
| Polish | grudzień |
| Portuguese | Dezembro |
| Romanian | decembrie |
| Saterland Frisian | Dezember |
| Scots | December |
| Scottish Gaelic | an Dùdlachd |
| Spanish | diciembre |
| Swahili | Desemba |
| Swedish | december |
| Tagalog | Disyembre |
| Thai | ธันวาคม |
| Turkish | aralık |
| West Frisian | desimber; wintermoanne |