| ISO 639-3 | art-001 |
| arp | |
| Hinonoʼeitiit | arp-000 | Hinonoʼeitiit |
| ISO 639-2/T | art-002 | arp |
| ISO 639-2/B | art-003 | arp |
| ISO 639-3 Reference Names | art-289 | Arapaho |
| ISO 639-3 Print Names | art-290 | Arapaho |
| ISO 639-3 Inverted Names | art-291 | Arapaho |
| Ethnologue Primary Language Names | art-323 | Arapaho |
| Glottolog Languoid Names | art-326 | Arapaho |
| Glottocode | art-327 | arap1274 |
| Glottolog Primary Key | art-328 | 23815 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1455 |
| Ethnologue Language Names | art-330 | Arapaho |
| Ethnologue Language Names | art-330 | Arrapahoe |
| 普通话 | cmn-000 | 阿拉帕霍语 |
| English | eng-000 | Arapaho |
| français | fra-000 | Arapaho |
| français | fra-000 | arapaho |
| русский | rus-000 | арапахо |
| español | spa-000 | Arapaho |
| español | spa-000 | arapaho |