| Language | Name | Code |
|---|---|---|
| Arabic | أوسييك | ar |
| arz | اوسييك | arz |
| Asturian | Osijek | ast |
| Azerbaijani | Osiek | az |
| Bashkir | Осиек | ba |
| Belarusian | Осіек | be |
| be-tarask | Осіек | be-tarask |
| Bulgarian | Осиек | bg |
| Bengali | ওসিজেক | bn |
| Breton | Osijek | br |
| Bosnian | Osijek | bs |
| Catalan | Osijek | ca |
| cbk-zam | Osijek | cbk-zam |
| Chechen | Осиек | ce |
| Cebuano | Grad Osijek | ceb |
| Central Kurdish | ئۆسیێک | ckb |
| Czech | Osijek | cs |
| Chuvash | Осиек | cv |
| Welsh | Osijek | cy |
| Danish | Osijek | da |
| German | Osijek | de |
| de-ch | Osijek | de-ch |
| dsb | Osijek | dsb |
| Modern Greek (1453-) | Όσιγιεκ | el |
| English | Osijek | en |
| en-ca | Osijek | en-ca |
| en-gb | Osijek | en-gb |
| Esperanto | Osijek | eo |
| Spanish | Osijek | es |
| Estonian | Osijek | et |
| Basque | Osijek | eu |
| Persian | اوسییک | fa |
| Finnish | Osijek | fi |
| fit | Osijek | fit |
| French | Osijek | fr |
| Irish | Osijek | ga |
| Galician | Osijek | gl |
| Gujarati | ઓસાયજેક | gu |
| Hebrew | אוסייק | he |
| Hindi | ऑसीजएक | hi |
| Croatian | Osijek | hr |
| Upper Sorbian | Osijek | hsb |
| Hungarian | Eszék | hu |
| Armenian | Օսիեկ | hy |
| Indonesian | Osijek | id |
| Interlingue | Osijek | ie |
| Ido | Osijek | io |
| Italian | Osijek | it |
| Japanese | オシエク | ja |
| Georgian | ოსიეკი | ka |
| Kannada | ಒಸಿಜೆಕ್ | kn |
| Korean | 오시예크 | ko |
| Latin | Mursa | la |
| Luxembourgish | Osijek | lb |
| lmo | Osijek | lmo |
| Lithuanian | Osijekas | lt |
| Latvian | Osijeka | lv |
| Macedonian | Осиек | mk |
| Marathi | ओस्जेक | mr |
| Malay (macrolanguage) | Osijek | ms |
| Maltese | Osijek | mt |
| Norwegian Bokmål | Osijek | nb |
| Low German | Osijek | nds |
| Dutch | Osijek | nl |
| Norwegian Nynorsk | Osijek | nn |
| Occitan (post 1500) | Osijek | oc |
| Ossetian | Осиек | os |
| Polish | Osijek | pl |
| pms | Osijek | pms |
| Portuguese | Osijek | pt |
| pt-br | Osijek | pt-br |
| Romanian | Osijek | ro |
| Russian | Осиек | ru |
| rup | Osijek | rup |
| Scots | Osijek | sco |
| sh | Osijek | sh |
| Sinhala | ඔසිජෙක් | si |
| Slovak | Osijek | sk |
| Slovenian | Osijek | sl |
| Albanian | Osijeku | sq |
| Serbian | Осијек | sr |
| Southern Sotho | Osijek | st |
| Swedish | Osijek | sv |
| Swahili (macrolanguage) | Osijek | sw |
| szl | Osijek | szl |
| Tamil | ஒசிஜேக் | ta |
| Telugu | ఓసీజెక్ | te |
| Thai | ออซิเยก | th |
| Turkish | Ösek | tr |
| Tatar | Осиек | tt |
| Ukrainian | Осієк | uk |
| Urdu | اوسیئک | ur |
| vec | Osijek | vec |
| vep | Osijek | vep |
| Vietnamese | Osijek | vi |
| Volapük | Osijek | vo |
| war | Osijek | war |
| Wu Chinese | 奥西耶克 | wuu |
| xmf | ოსიეკი | xmf |
| yue | 奧西耶克 | yue |
| Chinese | 奧西耶克 | zh |
| zh-cn | 奥西耶克 | zh-cn |
| zh-hans | 奥西耶克 | zh-hans |
| zh-hant | 奧西耶克 | zh-hant |