| ISO 639-3 | art-001 |
| yss | |
| ISO 639-3 Reference Names | art-289 | Yessan-Mayo |
| ISO 639-3 Print Names | art-290 | Yessan-Mayo |
| ISO 639-3 Inverted Names | art-291 | Yessan-Mayo |
| Ethnologue Primary Language Names | art-323 | Yessan-Mayo |
| Glottolog Languoid Names | art-326 | Yessan-Mayo |
| Glottocode | art-327 | yess1239 |
| Glottolog Primary Key | art-328 | 26654 |
| Ethnologue Language Names | art-330 | Maio-Yesan |
| Ethnologue Language Names | art-330 | Mayo-Yesan |
| Ethnologue Language Names | art-330 | Mayo-Yessan |
| Ethnologue Language Names | art-330 | Warasai |
| Ethnologue Language Names | art-330 | Yasyin |
| Ethnologue Language Names | art-330 | Yau |
| Ethnologue Language Names | art-330 | Yaw |
| Ethnologue Language Names | art-330 | Yawu |
| Ethnologue Language Names | art-330 | Yesan |
| Ethnologue Language Names | art-330 | Yessan-Mayo |
| English | eng-000 | Yessan-Mayo |