| ISO 259-3 | heb-001 |
| Niz'er | |
| Classical Arabic—ASJP | arb-001 | Nīǧir |
| bamanankan | bam-000 | Jeliba |
| bălgarski ezik | bul-001 | Niger |
| català | cat-000 | Níger |
| čeština | ces-000 | Niger |
| Hànyǔ | cmn-003 | Nírìěr |
| Hànyǔ | cmn-003 | Nírìěr hé |
| dansk | dan-000 | Niger |
| Deutsch | deu-000 | Niger |
| eesti | ekk-000 | Niger |
| English | eng-000 | Niger |
| Esperanto | epo-000 | Niĝero |
| suomi | fin-000 | Niger |
| français | fra-000 | Niger |
| magyar | hun-000 | Niger |
| bahasa Indonesia | ind-000 | Niger |
| íslenska | isl-000 | Níger |
| íslenska | isl-000 | Nígerfljót |
| italiano | ita-000 | Niger |
| Nihongo | jpn-001 | ''Nijēru''-gawa |
| Nihongo | jpn-001 | Nijēru |
| kạ̄šur | kas-002 | Nījē |
| Hangungmal | kor-001 | Nijereu |
| lietuvių | lit-000 | Nigeris |
| Lëtzebuergesch | ltz-000 | Niger |
| Nederlands | nld-000 | Niger |
| bokmål | nob-000 | Niger |
| Isfahani | pes-001 | Niǧer |
| polski | pol-000 | Niger |
| português | por-000 | Níger |
| português | por-000 | Rio Níger |
| română | ron-000 | Niger |
| russkij | rus-001 | Niger |
| Sängö | sag-000 | Isa Ber |
| saṃskṛtam | san-001 | Nīje |
| slovenčina | slk-000 | Niger |
| slovenščina | slv-000 | Niger |
| español | spa-000 | Níger |
| español | spa-000 | Río Níger |
| shqip | sqi-000 | Nigeri |
| srpski | srp-001 | Niger |
| svenska | swe-000 | Niger |
| Kiswahili | swh-000 | Niger |
| tamiḻ | tam-002 | Naijar |
| Bahasa Malaysia | zsm-000 | Niger |