| ISO 639-3 Reference Names | art-289 | Pengo |
| ISO 639-3 Print Names | art-290 | Pengo |
| ISO 639-3 Inverted Names | art-291 | Pengo |
| Ethnologue Primary Language Names | art-323 | Pengo |
| Glottolog Languoid Names | art-326 | Pengo |
| Glottocode | art-327 | peng1244 |
| Glottolog Primary Key | art-328 | 33980 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1580 |
| Ethnologue Language Names | art-330 | Awe |
| Ethnologue Language Names | art-330 | Hengo |
| Ethnologue Language Names | art-330 | Indi |
| Ethnologue Language Names | art-330 | Pengo |
| Ethnologue Language Names | art-330 | Pengu |
| 普通话 | cmn-000 | 彭戈语 |
| English | eng-000 | Pengo |
| français | fra-000 | pengo |
| español | spa-000 | pengo |
