| ISO 639-3 | art-001 |
| oma | |
| ISO 639-3 Reference Names | art-289 | Omaha-Ponca |
| ISO 639-3 Print Names | art-290 | Omaha-Ponca |
| ISO 639-3 Inverted Names | art-291 | Omaha-Ponca |
| Ethnologue Primary Language Names | art-323 | Omaha-Ponca |
| Glottolog Languoid Names | art-326 | Omaha-Ponca |
| Glottocode | art-327 | omah1247 |
| Glottolog Primary Key | art-328 | 36502 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 886 |
| Ethnologue Language Names | art-330 | Mahairi |
| Ethnologue Language Names | art-330 | Omaha |
| Ethnologue Language Names | art-330 | Omaha-Ponca |
| Ethnologue Language Names | art-330 | Ponca |
| Ethnologue Language Names | art-330 | Ponka |
| Ethnologue Language Names | art-330 | Ppankka |
| Ethnologue Language Names | art-330 | Umanhan |
| English | eng-000 | Omaha-Ponca |
| français | fra-000 | omaha |
| français | fra-000 | omaha-ponca |
| español | spa-000 | omaha |
| español | spa-000 | omaha-ponca |