| ISO 639-2/B | art-003 |
| cad | |
| ISO 639-3 | art-001 | cad |
| ISO 639-2/T | art-002 | cad |
| ISO 639-3 Reference Names | art-289 | Caddo |
| ISO 639-3 Print Names | art-290 | Caddo |
| ISO 639-3 Inverted Names | art-291 | Caddo |
| Hasí:nay | cad-000 | Hasí:nay |
| 普通话 | cmn-000 | 卡多语 |
| Deutsch | deu-000 | Caddo |
| English | eng-000 | Caddo |
| français | fra-000 | caddo |
| русский | rus-000 | каддо |
| español | spa-000 | caddo |