| reo Tahiti | tah-000 |
| Niuē | |
| 普通话 | cmn-000 | 纽埃 |
| 國語 | cmn-001 | 紐埃 |
| dansk | dan-000 | Niue |
| Deutsch | deu-000 | Niue |
| ελληνικά | ell-000 | Νιούε |
| English | eng-000 | Niue |
| Esperanto | epo-000 | Niuo |
| suomi | fin-000 | Niue |
| français | fra-000 | Nioué |
| magyar | hun-000 | Niue |
| italiano | ita-000 | Niue |
| 日本語 | jpn-000 | ニウエ |
| македонски | mkd-000 | Ниуе |
| ko e vagahau Niuē | niu-000 | Niuē |
| Nederlands | nld-000 | Niue |
| Pukapuka | pkp-000 | Niuē |
| polski | pol-000 | Niue |
| português | por-000 | Niue |
| română | ron-000 | Niue |
| русский | rus-000 | Ниу́э |
| español | spa-000 | Niue |
| svenska | swe-000 | Niue |
| lea fakatonga | ton-000 | Niuē |
| Türkçe | tur-000 | Niue |
| Fakaʻuvea | wls-000 | Niue |