| ISO 639-3 | art-001 |
| nsu | |
| ISO 639-3 Reference Names | art-289 | Sierra Negra Nahuatl |
| ISO 639-3 Print Names | art-290 | Sierra Negra Nahuatl |
| ISO 639-3 Inverted Names | art-291 | Nahuatl, Sierra Negra |
| Ethnologue Primary Language Names | art-323 | Nahuatl, Sierra Negra |
| Glottolog Languoid Names | art-326 | Sierra Negra Nahuatl |
| Glottocode | art-327 | sier1248 |
| Glottolog Primary Key | art-328 | 34638 |
| Ethnologue Language Names | art-330 | Coyomeapan |
| Ethnologue Language Names | art-330 | Nahuatl, Sierra Negra |
| Ethnologue Language Names | art-330 | Náhuatl de la Sierra Negra |
| Ethnologue Language Names | art-330 | Zoquitlan |
| English | eng-000 | Sierra Negra Nahuatl |