| Kajin M̧ajeļ | mah-000 |
| Nawōdo | |
| Afrikaans | afr-000 | Nauru |
| Classical Arabic—ASJP | arb-001 | Nawru |
| bosanski | bos-000 | Nauru |
| bălgarski ezik | bul-001 | Nauru |
| català | cat-000 | Nauru |
| čeština | ces-000 | Nauru |
| Hànyǔ | cmn-003 | Nǎolǔ |
| Cymraeg | cym-000 | Nauru |
| dansk | dan-000 | Nauru |
| Deutsch | deu-000 | Nauru |
| Ellinika | ell-003 | Naouroú |
| English | eng-000 | Nauru |
| English | eng-000 | place name |
| Esperanto | epo-000 | Nauro |
| euskara | eus-000 | Nauru |
| suomi | fin-000 | Nauru |
| français | fra-000 | Nauru |
| galego | glg-000 | Nauru |
| kreyòl ayisyen | hat-000 | Naorou |
| ISO 259-3 | heb-001 | Nauru |
| hrvatski | hrv-000 | Nauru |
| magyar | hun-000 | Nauru |
| interlingua | ina-000 | Nauru |
| bahasa Indonesia | ind-000 | Nauru |
| italiano | ita-000 | Nauru |
| Nihongo | jpn-001 | Nauru |
| Hangungmal | kor-001 | nauru |
| latine | lat-000 | Naurum |
| Limburgs | lim-000 | Naoeroe |
| lietuvių | lit-000 | Nauru |
| Kajin M̧ajeļ | mah-000 | Boonpe |
| Kajin M̧ajeļ | mah-000 | Bōḷau |
| Kajin M̧ajeļ | mah-000 | Jaṃuwa |
| Kajin M̧ajeļ | mah-000 | Jāipaan |
| Kajin M̧ajeļ | mah-000 | Karoḷāin |
| Kajin M̧ajeļ | mah-000 | Kujjae |
| Kajin M̧ajeļ | mah-000 | Nukne |
| Kajin M̧ajeļ | mah-000 | Rita |
| Kajin M̧ajeļ | mah-000 | Ruk |
| Kajin M̧ajeļ | mah-000 | Ḷora |
| Kajin M̧ajeļ | mah-000 | Ṃadianna |
| MaraaThii | mar-001 | Naurū |
| reo Māori | mri-000 | Nauru |
| dorerin Naoero | nau-000 | Naoero |
| Nederlands | nld-000 | Nauru |
| bokmål | nob-000 | Nauru |
| polski | pol-000 | Nauru |
| português | por-000 | Nauru |
| română | ron-000 | Nauru |
| russkij | rus-001 | Nauru |
| slovenčina | slk-000 | Nauru |
| slovenščina | slv-000 | Nauru |
| español | spa-000 | Nauru |
| svenska | swe-000 | Nauru |
| ภาษาไทย | tha-000 | สาธารณรัฐนาอูรู |
| Latynytsia | ukr-001 | Nauru |
| Bahasa Malaysia | zsm-000 | Nauru |