| ISO 639-2/B | art-003 |
| cze | |
| ISO 639-3 | art-001 | ces |
| ISO 639-2/T | art-002 | ces |
| ISO 639-1 | art-004 | cs |
| ISO 639-3 Reference Names | art-289 | Czech |
| ISO 639-3 Print Names | art-290 | Czech |
| ISO 639-3 Inverted Names | art-291 | Czech |
| čeština | ces-000 | čeština |
| 普通话 | cmn-000 | 捷克语 |
| Deutsch | deu-000 | Tschechisch |
| English | eng-000 | Czech |
| français | fra-000 | tchèque |
| русский | rus-000 | чешский |
| español | spa-000 | checo |