| ISO 639-2/T | art-002 | yao |
| ISO 639-2/B | art-003 | yao |
| ISO 639-3 Reference Names | art-289 | Yao |
| ISO 639-3 Print Names | art-290 | Yao |
| ISO 639-3 Inverted Names | art-291 | Yao |
| Ethnologue Primary Language Names | art-323 | Yao |
| Glottolog Languoid Names | art-326 | Yao |
| Glottocode | art-327 | yaoo1241 |
| Glottolog Primary Key | art-328 | 30349 |
| Ethnologue Language Names | art-330 | Achawa |
| Ethnologue Language Names | art-330 | Adsawa |
| Ethnologue Language Names | art-330 | Adsoa |
| Ethnologue Language Names | art-330 | Ajawa |
| Ethnologue Language Names | art-330 | Ayao |
| Ethnologue Language Names | art-330 | Ayawa |
| Ethnologue Language Names | art-330 | Ayo |
| Ethnologue Language Names | art-330 | Chichawa |
| Ethnologue Language Names | art-330 | Chikonono |
| Ethnologue Language Names | art-330 | Chiyao |
| Ethnologue Language Names | art-330 | Cikonono |
| Ethnologue Language Names | art-330 | Cimakale |
| Ethnologue Language Names | art-330 | Cimassaninga |
| Ethnologue Language Names | art-330 | Ciyao |
| Ethnologue Language Names | art-330 | Djao |
| Ethnologue Language Names | art-330 | Haiao |
| Ethnologue Language Names | art-330 | Hajao |
| Ethnologue Language Names | art-330 | Hiao |
| Ethnologue Language Names | art-330 | Hyao |
| Ethnologue Language Names | art-330 | Jao |
| Ethnologue Language Names | art-330 | Kihiau |
| Ethnologue Language Names | art-330 | Kihyao |
| Ethnologue Language Names | art-330 | Kiyao |
| Ethnologue Language Names | art-330 | Machinga |
| Ethnologue Language Names | art-330 | Makale |
| Ethnologue Language Names | art-330 | Mangoche |
| Ethnologue Language Names | art-330 | Mangochi |
| Ethnologue Language Names | art-330 | Massaninga |
| Ethnologue Language Names | art-330 | Tunduru Yao |
| Ethnologue Language Names | art-330 | Veiao |
| Ethnologue Language Names | art-330 | Wajao |
| Ethnologue Language Names | art-330 | Yao |
| Ethnologue Language Names | art-330 | Yawo |
| English | eng-000 | Yao |
| français | fra-000 | yao |