| svenska | swe-000 |
| Neckar | |
| Afrikaans | afr-000 | Neckar |
| toskërishte | als-000 | Neckar |
| català | cat-000 | Neckar |
| čeština | ces-000 | Neckar |
| 普通话 | cmn-000 | 内卡河 |
| Cymraeg | cym-000 | Afon Neckar |
| dansk | dan-000 | Neckar |
| Deutsch | deu-000 | Neckar |
| eesti | ekk-000 | Neckar |
| English | eng-000 | Neckar |
| Esperanto | epo-000 | Neckar |
| suomi | fin-000 | Neckar |
| français | fra-000 | Neckar |
| galego | glg-000 | Río Neckar |
| עברית | heb-000 | נקר |
| magyar | hun-000 | Neckar |
| italiano | ita-000 | Neckar |
| 日本語 | jpn-000 | ネッカー川 |
| latine | lat-000 | Neccarus |
| lengua lumbarda | lmo-000 | Neckar |
| latviešu | lvs-000 | Nekāra |
| Nederlands | nld-000 | Neckar |
| nynorsk | nno-000 | Neckar |
| bokmål | nob-000 | Neckar |
| polski | pol-000 | Neckar |
| português | por-000 | Rio Neckar |
| română | ron-000 | Neckar |
| русский | rus-000 | Неккар |
| español | spa-000 | Río Neckar |