| ISO 639-3 Reference Names | art-289 | Gusii |
| ISO 639-3 Print Names | art-290 | Ekegusii |
| ISO 639-3 Print Names | art-290 | Gusii |
| ISO 639-3 Inverted Names | art-291 | Ekegusii |
| ISO 639-3 Inverted Names | art-291 | Gusii |
| Ethnologue Primary Language Names | art-323 | Ekegusii |
| Glottolog Languoid Names | art-326 | Gusii |
| Glottocode | art-327 | gusi1247 |
| Glottolog Primary Key | art-328 | 30080 |
| Ethnologue Language Names | art-330 | Ekegusii |
| Ethnologue Language Names | art-330 | Gusii |
| Ethnologue Language Names | art-330 | Guzii |
| Ethnologue Language Names | art-330 | Kisii |
| Ethnologue Language Names | art-330 | Kosova |
| English | eng-000 | Gusii |
| русский | rus-000 | гусии |
