WW
WW stands for:
- Hot water
- Warm white ( warm white ; JIS-Z-9112 code), EXIF color temperature entry (3000 K)
- Water watch
- Waterworks
- interaction
- Weight Watchers
- World wonder
- Materials science
- Westerwald
- wild Water
- Whitewater races, see whitewater racing
- Wild weasel
- Winchester and Western Railroad , US railroad company
- Winter wheat
- Farm road
- bmibaby (IATA code), former British airline
- Maui Airlines (IATA code), former American airline
- WOW air (IATA code), Icelandic airline
- Wittenberge train station (DS100 code)
- Wöhrder Wiese U-Bahn station on the Nuremberg U-Bahn
Ww stands for:
WW as a distinguishing mark on license plates:
- Germany: Westerwaldkreis
- France: temporary registration
- UK: Bristol
- Ireland: County Wicklow / Cill Mhantáin
- Madagascar: short-term registration number, followed by the code letter for the respective province
- Monaco: temporary registration
- Poland: Districts of Warsaw :
- WW-A: Rembertów
- WW-F, WW-G, WW-H, WW-J, WW-W: Wilanów
- WW-K, WW-M, WW-N, WW-V: Włochy
- WW-Y: Wesoła (Warsaw)
