| Nihongo | jpn-001 |
| kerun | |
| Afrikaans | afr-000 | Keulen |
| Classical Arabic—ASJP | arb-001 | Kūlūnīā |
| bălgarski ezik | bul-001 | Kjoln |
| català | cat-000 | Colònia |
| čeština | ces-000 | Kolín nad Rýnem |
| Hànyǔ | cmn-003 | Kēlóng |
| Deutsch | deu-000 | Köln |
| English | eng-000 | Cologne |
| Esperanto | epo-000 | Kolonjo |
| euskara | eus-000 | Kolonia |
| français | fra-000 | Cologne |
| ISO 259-3 | heb-001 | K?ln |
| italiano | ita-000 | Colonia |
| latine | lat-000 | CCAA |
| latine | lat-000 | Colonia Agrippina |
| latine | lat-000 | Colonia Claudia Ara Agrippinensium |
| lietuvių | lit-000 | Kelnas |
| Nederlands | nld-000 | Keulen |
| Isfahani | pes-001 | K?ln |
| polski | pol-000 | Kolonia |
| português | por-000 | Colónia |
| português | por-000 | Colônia |
| russkij | rus-001 | Kjol'n |
| slovenčina | slk-000 | Kolín nad Rýnom |
| slovenščina | slv-000 | Kolin |
| slovenščina | slv-000 | Köln |
| español | spa-000 | Colonia |
| svenska | swe-000 | Köln |