SFK
The abbreviation SFK stands for:
- No claims class , classification in motor vehicle insurance
- Schlepp- und Fährgesellschaft Kiel , transport company in Kiel
- Marine radio comradeship , association of radio officers of the German merchant navy
- Serbian Volunteer Corps (World War II) , Serbian free corps
- S / F / K association , former name for association of production designers, film architects and costume designers
- Safety specialist , Austrian abbreviation (in Germany SiFa ), see specialist for occupational safety
- Stone compressive strength class , property of masonry stones
- Incident Commission , see Commission for Plant Safety at the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety
- Sudeten German Freikorps , paramilitary unit of Sudeten German men
- Swiss Fort Knox , data bunker in the Swiss Alps