| Language | Name | Code |
|---|---|---|
| Afrikaans | Oldenburg | af |
| Aragonese | Oldenburg | an |
| ang | Oldenburg | ang |
| Arabic | أولدنبورغ | ar |
| arz | اولدنبورج | arz |
| Asturian | Oldenburgu | ast |
| Azerbaijani | Oldenburq | az |
| azb | اولدنبورق | azb |
| ban | Oldenburg | ban |
| Bavarian | Oldenburg | bar |
| Belarusian | Ольдэнбург | be |
| Bulgarian | Олденбург | bg |
| Breton | Oldenburg | br |
| Catalan | Oldenburg | ca |
| Cebuano | Oldenburg (kapital sa distrito) | ceb |
| Central Kurdish | ئۆلدنبورگ | ckb |
| Corsican | Oldenburg | co |
| Czech | Oldenburg | cs |
| Chuvash | Ольденбург | cv |
| Welsh | Oldenburg | cy |
| Danish | Oldenburg | da |
| German | Oldenburg | de |
| de-at | Oldenburg | de-at |
| de-ch | Oldenburg | de-ch |
| diq | Oldenburg | diq |
| Modern Greek (1453-) | Όλντενμπουργκ | el |
| English | Oldenburg | en |
| en-ca | Oldenburg | en-ca |
| en-gb | Oldenburg | en-gb |
| Esperanto | Oldenburgo | eo |
| Spanish | Oldemburgo | es |
| Estonian | Oldenburg | et |
| Basque | Oldenburg | eu |
| Persian | الدنبورگ | fa |
| Finnish | Oldenburg | fi |
| French | Oldenbourg | fr |
| frp | Oldenburg | frp |
| frr | Oldenbörj | frr |
| fur | Oldenburg | fur |
| Western Frisian | Aldenboarch | fy |
| Irish | Oldenburg | ga |
| Scottish Gaelic | Oldenburg | gd |
| Galician | Oldenburg | gl |
| gsw | Oldenburg | gsw |
| Hebrew | אולדנבורג | he |
| Croatian | Oldenburg | hr |
| Upper Sorbian | Oldenburg | hsb |
| Hungarian | Oldenburg | hu |
| Armenian | Օլդենբուրգ | hy |
| Interlingua (International Auxiliary Language Association) | Oldenburg | ia |
| Indonesian | Oldenburg | id |
| Interlingue | Oldenburg | ie |
| Ido | Oldenburg | io |
| Icelandic | Aldinborg | is |
| Italian | Oldenburg | it |
| Japanese | オルデンブルク | ja |
| Georgian | ოლდენბურგი | ka |
| Kongo | Oldenburg | kg |
| Kazakh | Ольденбург | kk |
| Korean | 올덴부르크 | ko |
| Kurdish | Oldenburg | ku |
| Kirghiz | Ольденбург | ky |
| Latin | Oldenburgum | la |
| Luxembourgish | Oldenburg | lb |
| lez | Ольденбург | lez |
| Limburgan | Oldenburg | li |
| lij | Oldenburg | lij |
| lld | Oldenburg | lld |
| lmo | Oldemburgh | lmo |
| Lithuanian | Oldenburgas | lt |
| Latvian | Oldenburga | lv |
| mdf | Ольдэнбург | mdf |
| Malagasy | Oldenburg | mg |
| min | Oldenburg | min |
| Macedonian | Олденбург | mk |
| Malay (macrolanguage) | Oldenburg | ms |
| nan | Oldenburg | nan |
| nap | Oldenburg | nap |
| Norwegian Bokmål | Oldenburg | nb |
| Low German | Ollnborg | nds |
| nds-nl | Oldenburg | nds-nl |
| Dutch | Oldenburg | nl |
| Norwegian Nynorsk | Byen Oldenburg | nn |
| Narom | Oldenburg | nrm |
| nys | Oldenburg | nys |
| Occitan (post 1500) | Oldenburg | oc |
| Ossetian | Ольденбург | os |
| pcd | Oldenburg | pcd |
| Polish | Oldenburg | pl |
| pms | Oldenburg | pms |
| pnb | اولڈنبرگ | pnb |
| Portuguese | Oldemburgo | pt |
| pt-br | Oldenburg | pt-br |
| Romansh | Oldenburg | rm |
| Romanian | Oldenburg | ro |
| Russian | Ольденбург | ru |
| sah | Өльдэнбург | sah |
| Sardinian | Oldenburg | sc |
| Sicilian | Oldenburg | scn |
| Scots | Ollnborg | sco |
| sh | Oldenburg | sh |
| Slovak | Oldenburg | sk |
| Slovenian | Oldenburg | sl |
| Albanian | Oldenburg | sq |
| Serbian | Олденбург | sr |
| sr-el | Oldenburg | sr-el |
| stq | Ooldenbuurich | stq |
| Swedish | Oldenburg | sv |
| Swahili (macrolanguage) | Oldenburg | sw |
| Tamil | ஓல்டென்பர்க் | ta |
| Turkish | Oldenburg | tr |
| Tatar | Ольденбург | tt |
| Ukrainian | Ольденбург | uk |
| Urdu | اولدنبورگ | ur |
| Uzbek | Oldenburg | uz |
| vec | Oldenburg | vec |
| Vietnamese | Oldenburg | vi |
| vls | Oldenburg | vls |
| Volapük | Oldenburg | vo |
| Walloon | Oldenburg | wa |
| war | Oldenburg | war |
| Wolof | Oldenburg | wo |
| Wu Chinese | 奥尔登堡 | wuu |
| yue | 歐登堡 | yue |
| Chinese | 奥尔登堡 | zh |
| zh-cn | 奥尔登堡 | zh-cn |
| zh-hans | 奥尔登堡 | zh-hans |
| zh-hant | 奧爾登堡 | zh-hant |
| Zulu | Oldenburg | zu |