- Department of Celtic Studies
- Department of the History of English and Translation Studies
- Department of English-Polish Contrastive Studies
- Department of Applied Linguistics
- Department of Theoretical Linguistics
- Department of Dutch Language
- Department of German Linguistics
- Department of Polish Language
- Department of Language Acquisition and Didactics
- Department of Romance Linguistics
- Department of Translation Studies and Slavic Languages
- Department of Sinology I