| Language | Name | Code |
|---|---|---|
| Arabic | جيجو | ar |
| Azerbaijani | Çeju | az |
| Belarusian | Чэджу | be |
| be-tarask | Чэджу | be-tarask |
| Catalan | Jeju | ca |
| Cebuano | Jeju-si | ceb |
| Czech | Čedžu | cs |
| German | Jeju-si | de |
| dsb | Jeju | dsb |
| Modern Greek (1453-) | Τζέτζου | el |
| English | Jeju | en |
| Esperanto | Ĉeĝu | eo |
| Spanish | Ciudad de Jeju | es |
| Estonian | Cheju | et |
| Basque | Jeju Hiria | eu |
| Persian | ججو | fa |
| Finnish | Jeju | fi |
| French | Jeju-si | fr |
| Irish | Jeju | ga |
| Galician | Jeju | gl |
| Hebrew | צ'ג'ו | he |
| Hungarian | Csedzsu város | hu |
| Armenian | Ջեջու | hy |
| Indonesian | Kota Jeju | id |
| Ido | Jeju-urbo | io |
| Italian | Jeju | it |
| Japanese | 済州市 | ja |
| Georgian | ჩეჯუ (ქალაქი) | ka |
| Kannada | ಜೆಜು | kn |
| Korean | 제주시 | ko |
| Lithuanian | Čedžu | lt |
| Mongolian | Чэжү хот | mn |
| nan | Chè-chiu-chhī | nan |
| Norwegian Bokmål | Jeju | nb |
| Dutch | Jeju | nl |
| Ossetian | Чеджу (сахар) | os |
| Polish | Czedżu | pl |
| Portuguese | Jeju | pt |
| Russian | Чеджу | ru |
| Scots | Jeju Ceety | sco |
| Slovenian | Čedžu | sl |
| Serbian | Чеџу (град) | sr |
| Swedish | Jeju | sv |
| Tagalog | Lungsod ng Jeju | tl |
| Turkish | Jeju | tr |
| Tatar | Чеҗу | tt |
| Ukrainian | Чеджу | uk |
| Urdu | جے جو شہر | ur |
| vec | Jeju | vec |
| Vietnamese | Jeju | vi |
| war | Jeju | war |
| Wu Chinese | 濟州市 | wuu |
| xmf | ჩეჯუ (ნოღა) | xmf |
| yue | 濟州 | yue |
| Chinese | 济州市 | zh |
| zh-cn | 济州市 | zh-cn |
| zh-hans | 济州 | zh-hans |
| zh-hk | 濟州市 | zh-hk |
| zh-tw | 濟州市 | zh-tw |