| Language | Name | Code |
|---|---|---|
| Arabic | نيكايا | ar |
| arz | نيكايا | arz |
| Asturian | Nikaia | ast |
| be-tarask | Нікея | be-tarask |
| Bulgarian | Никея | bg |
| Catalan | Nikea | ca |
| Cebuano | Níkaia | ceb |
| German | Nikea | de |
| Modern Greek (1453-) | Νίκαια Αττικής | el |
| English | Nikaia | en |
| Spanish | Níkea | es |
| Estonian | Níkaia | et |
| Persian | نیکایا | fa |
| Finnish | Níkaia | fi |
| French | Níkea | fr |
| Galician | Nikaia | gl |
| Hebrew | ניקאיה | he |
| Hungarian | Níkea | hu |
| Armenian | Նիկեա | hy |
| hyw | Քոքինիա | hyw |
| Italian | Nikaia | it |
| Japanese | ニカイア （自治体） | ja |
| Latin | Nicaea | la |
| Lithuanian | Nikėja | lt |
| mdf | Никэя | mdf |
| Dutch | Nikaia | nl |
| Norwegian Nynorsk | Níkea | nn |
| Polish | Nikiea | pl |
| Romanian | Nikaia | ro |
| Russian | Никея | ru |
| Scots | Nikaia | sco |
| Slovenian | Nikaia | sl |
| Serbian | Никаја | sr |
| sr-ec | Никаја | sr-ec |
| sr-el | Nikaja | sr-el |
| Swedish | Níkaia | sv |
| Turkish | Nikiye | tr |
| Ukrainian | Нікея | uk |
| Urdu | نیکایا، اتیکا | ur |
| Volapük | Nikea | vo |
| Chinese | 尼卡亞 | zh |
| zh-hant | 尼卡亞 | zh-hant |