VAC
WSK is an abbreviation for:
- Powiat Sokołowski in Poland, as a license plate
- Weapons expertise, see weapon expertise examination (Germany)
- Converter clutch in vehicle transmissions
- Wiener Spar- und Kreditinstitut (today: WSK Bank AG ), an Austrian cooperative bank belonging to the Volksbank Group
- Wiener Sportklub , Austrian football club
- We are Church (WsK), a Roman Catholic church movement
- The Wohlstandskinder (W $ K), German punk band
- Dictionaries on linguistics and communication studies , specialist publication by Verlag de Gruyter
- Switch sketch, a planning basis for railway switches
