BGW may refer to:
Places BGW, the IATA airport code of Baghdad International Airport GB-BGW, the ISO 3166-2 code for Blaenau Gwent, a Welsh county borough Botanischer Garten der Universität Würzburg, a botanical garden in Bavaria, Germany Botanischer Garten Wuppertal, a botanical garden in North Rhine-Westphalia, Germany Busch Gardens Williamsburg, a theme park in Virginia, USA
Organizations BGW Systems, an audio amplifier manufacturer , the German federal gas and water industry group Bahngesellschaft Waldhof AG, a rail company in Mannheim, Germany
Other uses BGW (Blue Gene Watson), a protein folding simulation performed on the Blue Gene supercomputer Bala Ganapathi William (born 1990), Malaysian actor and director known professionally as BGW