| 普通话 | cmn-000 |
| 尼日尔共和国 | |
| العربية | arb-000 | النيجر |
| العربية | arb-000 | جمهورية النيجر |
| ISO 3166 alpha | art-006 | NE |
| ISO 3166 alpha | art-006 | NER |
| UN M.49 | art-279 | 562 |
| UNDP Country Codes | art-294 | NER |
| FAO Country Code | art-296 | 158 |
| GAUL Country Codes | art-297 | 181 |
| български | bul-000 | Република Нигер |
| čeština | ces-000 | Nigerská republika |
| 普通话 | cmn-000 | 尼日尔 |
| 國語 | cmn-001 | 尼日共和國 |
| 國語 | cmn-001 | 尼日爾共和國 |
| Hànyǔ | cmn-003 | ni2 ri4 er3 gong4 he2 guo2 |
| Hànyǔ | cmn-003 | ní rì ěr gòng hé guó |
| dansk | dan-000 | Republikken Niger |
| Deutsch | deu-000 | Niger |
| Deutsch | deu-000 | Republik Niger |
| eesti | ekk-000 | Nigeri Vabariik |
| ελληνικά | ell-000 | Δημοκρατία του Νίγηρα |
| English | eng-000 | Niger |
| English | eng-000 | Republic of Niger |
| English | eng-000 | Republic of the Niger |
| English | eng-000 | the Niger |
| English | eng-000 | the Republic of the Niger |
| suomi | fin-000 | Nigerin tasavalta |
| français | fra-000 | Niger |
| français | fra-000 | République du Niger |
| français | fra-000 | la République du Niger |
| français | fra-000 | le Niger |
| עברית | heb-000 | הרפובליקה של ניז׳ר |
| हिन्दी | hin-000 | काला आदमी |
| हिन्दी | hin-000 | नाइजर गणराज्य |
| हिन्दी | hin-000 | हब्शी |
| hrvatski | hrv-000 | Republika Niger |
| magyar | hun-000 | Niger |
| magyar | hun-000 | Niger Köztársaság |
| magyar | hun-000 | Nigeri Köztársaság |
| italiano | ita-000 | Niger |
| italiano | ita-000 | Repubblica del Niger |
| italiano | ita-000 | Repubblica di Nigeria |
| 日本語 | jpn-000 | ニジェール共和国 |
| 한국어 | kor-000 | 니제르 |
| lietuvių | lit-000 | Nigerio Respublika |
| latviešu | lvs-000 | Nigēras Republika |
| Nederlands | nld-000 | Republiek Niger |
| bokmål | nob-000 | Republikken Niger |
| فارسی | pes-000 | جمهوري نيجر |
| فارسی | pes-000 | نیجر |
| polski | pol-000 | Niger |
| polski | pol-000 | Republika Nigru |
| português | por-000 | Níger |
| português | por-000 | República do Níger |
| română | ron-000 | Republica Niger |
| русский | rus-000 | Нигер |
| русский | rus-000 | Республика Нигер |
| slovenčina | slk-000 | Niger |
| slovenčina | slk-000 | Nigerská republika |
| slovenščina | slv-000 | Republika Niger |
| español | spa-000 | Níger |
| español | spa-000 | República de Níger |
| español | spa-000 | República del Niger |
| español | spa-000 | República del Níger |
| español | spa-000 | el Níger |
| español | spa-000 | la República del Níger |
| srpski | srp-001 | Republika Niger |
| svenska | swe-000 | Republiken Niger |
| ภาษาไทย | tha-000 | สาธารณรัฐไนเจอร์ |
| ภาษาไทย | tha-000 | ไนเจอร์ |
| Türkçe | tur-000 | Nijer Cumhuriyeti |
| ئۇيغۇرچە | uig-000 | نىگېر جۇمھۇرىيىتى |
| Uyghurche | uig-001 | nigér jumhuriyiti |
| українська | ukr-000 | Республіка Нігер |