| ISO 639-3 Reference Names | art-289 | Aja (Benin) |
| ISO 639-3 Print Names | art-290 | Aja (Benin) |
| ISO 639-3 Inverted Names | art-291 | Aja (Benin) |
| Ethnologue Primary Language Names | art-323 | Aja |
| Glottolog Languoid Names | art-326 | Aja (Benin) |
| Glottocode | art-327 | ajab1235 |
| Glottolog Primary Key | art-328 | 29214 |
| Ethnologue Language Names | art-330 | Adja |
| Ethnologue Language Names | art-330 | Aja |
| Ethnologue Language Names | art-330 | Ajagbe |
| Ethnologue Language Names | art-330 | Dogbo |
| Ethnologue Language Names | art-330 | Dogo |
| Ethnologue Language Names | art-330 | Ehoue |
| Ethnologue Language Names | art-330 | Hwe |
| Ethnologue Language Names | art-330 | Hwè |
| Ethnologue Language Names | art-330 | Shikpi |
| Ethnologue Language Names | art-330 | Sikpi |
| Ethnologue Language Names | art-330 | Tado |
| Ethnologue Language Names | art-330 | Tadou |
| Ethnologue Language Names | art-330 | Tala |
| English | eng-000 | Aja |
| русский | rus-000 | аджа |
