WW

WW may refer to:

Arts and entertainment':

• WW (album), a 2005 album by the Norwegian metal group Gehenna
• William Whopper, an evil property developer in the Australian 1980 children's TV programme Secret Valley
• Wonder Woman, a fictional superhero

Businesses and organizations:

• Bmibaby (IATA airline code WW)
• WOW air (IATA airline code WW)
• Winchester and Western Railroad (reporting mark WW)

Places:

• County Wicklow, Ireland (vehicle plate code WW)
• Westerwaldkreis, Germany (vehicle plate code WW)

Other uses:

• "Warm white", a descriptor of light source color temperature, as defined in the JIS Z 9112 standard, and used by Exif tags
• William H. Webster, a director of the FBI and CIA, referred to in the Kryptos sculpture as "WW"
• "Wrong word", in proofreading