| ISO 639-3 | art-001 |
| mfy | |
| ISO 639-3 Reference Names | art-289 | Mayo |
| ISO 639-3 Print Names | art-290 | Mayo |
| ISO 639-3 Inverted Names | art-291 | Mayo |
| Ethnologue Primary Language Names | art-323 | Mayo |
| Glottolog Languoid Names | art-326 | Mayo |
| Glottocode | art-327 | mayo1264 |
| Glottolog Primary Key | art-328 | 34619 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1490 |
| Ethnologue Language Names | art-330 | Mayo |
| 普通话 | cmn-000 | 马约语 |
| English | eng-000 | Mayo |
| français | fra-000 | mayo |
| español | spa-000 | mayo |