UW, U.W., Uw, or uw may refer to: Universities Canada University of Waterloo University of Windsor University of Winnipeg United States University of Washington University of Wisconsin System University of Wisconsin–La Crosse University of Wisconsin–Madison University of Wisconsin–Milwaukee University of Wyoming Other countries University of Warsaw, Poland University of Wuppertal, Germany University of Würzburg, Germany Other uses uw (digraph) Uw, the international symbol for relative humidity Unconventional warfare Unconventional warfare (United States), a US-specific definition of unconventional warfare used by its Department of Defense Unia Wolnosci (Freedom Union), a Polish political party See also WU (disambiguation) U of W (disambiguation) Uwu (disambiguation)