| ISO 639-3 | art-001 |
| szv | |
| ISO 639-3 Reference Names | art-289 | Isu (Fako Division) |
| ISO 639-3 Print Names | art-290 | Isu (Fako Division) |
| ISO 639-3 Inverted Names | art-291 | Isu (Fako Division) |
| Ethnologue Primary Language Names | art-323 | Isu |
| Glottolog Languoid Names | art-326 | Isu (Fako Division) |
| Glottocode | art-327 | isuf1235 |
| Glottolog Primary Key | art-328 | 29886 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 34 |
| Ethnologue Language Names | art-330 | Bimbia |
| Ethnologue Language Names | art-330 | Isu |
| Ethnologue Language Names | art-330 | Isubu |
| Ethnologue Language Names | art-330 | Isuwu |
| Ethnologue Language Names | art-330 | Su |
| Ethnologue Language Names | art-330 | Subu |
| English | eng-000 | Isu |
| français | fra-000 | isu |
| español | spa-000 | isu |