| ISO 639-3 Reference Names | art-289 | Kaiwá |
| ISO 639-3 Print Names | art-290 | Kaiwá |
| ISO 639-3 Inverted Names | art-291 | Kaiwá |
| Ethnologue Primary Language Names | art-323 | Kaiwá |
| Glottolog Languoid Names | art-326 | Kaiwá |
| Glottocode | art-327 | kaiw1246 |
| Glottolog Primary Key | art-328 | 24394 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1878 |
| Ethnologue Language Names | art-330 | Caingua |
| Ethnologue Language Names | art-330 | Caiua |
| Ethnologue Language Names | art-330 | Caiwa |
| Ethnologue Language Names | art-330 | Cayua |
| Ethnologue Language Names | art-330 | Kaingwá |
| Ethnologue Language Names | art-330 | Kaiova |
| Ethnologue Language Names | art-330 | Kaiowá |
| Ethnologue Language Names | art-330 | Kaiwá |
| Ethnologue Language Names | art-330 | Kayova |
| Ethnologue Language Names | art-330 | Tembekuá |
| Ethnologue Language Names | art-330 | Teüi |
| English | eng-000 | Kaiowá Guarani |
| English | eng-000 | Kaiwá |
| français | fra-000 | guarani-kaiowá |
| español | spa-000 | guaraní kaiowá |
| español | spa-000 | kaiwá |
