List of Acronyms and Initialisms: W - WS

WS
- (s) Samoa (ISO 3166 and FIPS 10-4 country code digram; from the country's former name of Western Samoa)
- (i) Writer to the Signet (a Scottish solicitor)
WSC – (i) Weapon System Catalogue
WSDL – (i) Web Services Description Language
WSJ – (i) (The) Wall Street Journal
WSL
- (i) White Star Line (shipping company)
- Women's Super League, used to describe England's top women's association football league and top women's rugby league competition
- Workers' Socialist League (UK political party)
WSM
- (s) Samoa (ISO 3166 trigram; from Western Samoa)
- (i) Winchester Short Magnum (family of rifle cartridges)
WSMR – (a/i) White Sands Missile Range ("whiz-murr")
WSROC – (a) Western Sydney Regional Organisation of Councils
WSSM – (i) Winchester Super Short Magnum (family of rifle cartridges)
WST
- (i) Water Soluble Tetrazolium (assay)
- (s) Samoan tala (ISO 4217 currency code)
WSTC – (i) Women Signallers Territorial Corps (World War II UK)
WSUS – (i) Windows Server Update Services
WSW – (s) West South-West