| ISO 639-3 | art-001 |
| nbo | |
| ISO 639-3 Reference Names | art-289 | Nkukoli |
| ISO 639-3 Print Names | art-290 | Nkukoli |
| ISO 639-3 Inverted Names | art-291 | Nkukoli |
| Ethnologue Primary Language Names | art-323 | Nkukoli |
| Glottolog Languoid Names | art-326 | Nkukoli |
| Glottocode | art-327 | nkuk1238 |
| Glottolog Primary Key | art-328 | 32096 |
| Ethnologue Language Names | art-330 | Ekuri |
| Ethnologue Language Names | art-330 | Lokoli |
| Ethnologue Language Names | art-330 | Lokukoli |
| Ethnologue Language Names | art-330 | Nkokolle |
| Ethnologue Language Names | art-330 | Nkukoli |
| English | eng-000 | Nkukoli |