| Deutsch | deu-000 |
| Hennef | |
| dansk | dan-000 | Hennef |
| English | eng-000 | Hennef |
| Esperanto | epo-000 | Hennef |
| Kölsch | ksh-000 | Hennef |
| Nederlands | nld-000 | Hennef |
| bokmål | nob-000 | Hennef |
| română | ron-000 | Hennef |
| русский | rus-000 | Хеннеф |
| Türkçe | tur-000 | Hennef |
| Volapük | vol-000 | Hennef |