UBW may refer to:
UbW stands for U-Boot-Waffe (or U-Bootwaffe), the U-boat Arm of the German Navy during two world wars Ugnu-Kuparuk Airport (FAA LID code) Union of Bulgarian Writers of which Nikolay Haytov is a member United By Walter, a fan site for Walter Schreifels Unlimited Blade Works, Fate/stay night visual novel plotline Fate/stay night: Unlimited Blade Works (2010 film), anime film based on the visual novel plotline Fate/stay night: Unlimited Blade Works (TV series), anime TV series based on the visual novel plotline Urban Bush Women dance group University Library of Wuppertal (Universitätsbibliothek Wuppertal), Germany