European languages
Most of the about 40 indigenous languages of Europe belong to the Indo-European language family. The exceptions below are marked with the language family they belong to in parentheses.
- Albanian
- Asturian
- Basque (a language isolate)
- Belarusian
- Breton
- Bulgarian
- Catalan
- Cornish
- Czech
- Danish
- Dutch
- English
- Esperanto (constructed languages)
- Estonian (Finno-Ugric languages)
- Finnish (Finno-Ugric languages)
- French
- Frisian
- German
- Greek
- Hungarian (Finno-Ugric languages)
- Italian
- Irish Gaelic
- Kashub
- Latvian
- Lithuanian
- Low German/Low Saxon
- Maltese (Semitic languages)
- Norwegian
- Occitan
- Polish
- Portuguese
- Romansh
- Romany
- Romanian
- Russian
- Saami (Finno-Ugric languages)
- Sardinian
- Scottish Gaelic
- Serbo-Croatian (sociolinguistically, 3 different languages):
- Slovak
- Spanish
- Swedish
- Swiss-German
- Turkish (Altaic languages)
- Ukrainian
- Welsh
