KLL
KLL is an abbreviation for:
- Faculty for (Clinical) Linguistics and Literary Studies at Bielefeld University
- Kindler's Literature Lexicon or Kindler's New Literature Lexicon (KNLL), the most comprehensive literary lexicon in German
- König-Ludwig-Lauf , the largest popular cross-country ski run in Germany, takes place near Oberammergau and Ettal
- Compact fluorescent lamp , a particularly small fluorescent lamp, colloquially also an energy-saving lamp
- Kraftwerke Linth-Limmern AG, a power plant company in Linthal in the Glarus hinterland, Switzerland