| ISO 639-3 Reference Names | art-289 | Pipil |
| ISO 639-3 Print Names | art-290 | Nicarao |
| ISO 639-3 Print Names | art-290 | Pipil |
| ISO 639-3 Inverted Names | art-291 | Nicarao |
| ISO 639-3 Inverted Names | art-291 | Pipil |
| Ethnologue Primary Language Names | art-323 | Pipil |
| Glottolog Languoid Names | art-326 | Pipil |
| Glottocode | art-327 | pipi1250 |
| Glottolog Primary Key | art-328 | 34651 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1860 |
| Ethnologue Language Names | art-330 | Nahuat |
| Ethnologue Language Names | art-330 | Nawat |
| Ethnologue Language Names | art-330 | Nicarao |
| Ethnologue Language Names | art-330 | Pipil |
| English | eng-000 | Pipil |
| français | fra-000 | pipil |
| español | spa-000 | pipil |
