WW
- WW – see entry
- WWE – (i) World Wrestling Entertainment
- WWF
- (i) World Wide Fund for Nature, from its original name of World Wildlife Fund, which remains the legal name in the U.S. and Canada
- World Wrestling Federation
- WWI – (i) World War I
- WWII – (i) World War II
- WWIII – (i) World War III
- WWJD – (i) "What would Jesus do?"
- WWS – (i) Wheaton Warrenville South
- WWV – (i) Wagner-Werk-Verzeichnis (catalog of the works of Richard Wagner, and callsign of NIST's shortwave radio station in Fort Collins, Colorado)
- WWW – (i) World Wide Web
- WWWF – (i) World Wide Wrestling Federation
Read more about this topic: List Of Acronyms And Initialisms: W