| ISO 639-3 | art-001 |
| nuo | |
| ISO 639-3 Reference Names | art-289 | Nguôn |
| ISO 639-3 Print Names | art-290 | Nguôn |
| ISO 639-3 Inverted Names | art-291 | Nguôn |
| Ethnologue Primary Language Names | art-323 | Nguôn |
| Glottolog Languoid Names | art-326 | Nguôn |
| Glottocode | art-327 | nguo1239 |
| Glottolog Primary Key | art-328 | 35506 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2247 |
| Ethnologue Language Names | art-330 | Ngouan |
| Ethnologue Language Names | art-330 | Nguôn |
| English | eng-000 | Nguon |
| English | eng-000 | Nguôn |
| français | fra-000 | nguon |
| español | spa-000 | nguôn |