| ISO 639-3 | art-001 |
| ces | |
| ISO 639-2/T | art-002 | ces |
| ISO 639-2/B | art-003 | cze |
| 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 |
| Ethnologue Primary Language Names | art-323 | Czech |
| Glottolog Languoid Names | art-326 | Czech |
| Glottocode | art-327 | czec1258 |
| Glottolog Primary Key | art-328 | 36654 |
| Ethnologue Language Names | art-330 | Bohemian |
| Ethnologue Language Names | art-330 | Central Bohemian |
| Ethnologue Language Names | art-330 | Cestina |
| Ethnologue Language Names | art-330 | Czech |
| Ethnologue Language Names | art-330 | Czecho-Moravian |
| Ethnologue Language Names | art-330 | Hanak |
| Ethnologue Language Names | art-330 | Lach |
| Ethnologue Language Names | art-330 | Northeast Bohemian |
| Ethnologue Language Names | art-330 | Southwest Bohemian |
| Ethnologue Language Names | art-330 | Yalach |
| 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 |