GBW (disambiguation)

GBW is a three-letter acronym that could refer to:

* Green Bay and Western Railroad reporting mark|GBW
* Glowing Brightwood Staff
* Gain-bandwidth product (GB or GBW), product of amplifier midband gain and bandwidth (e.g., unity-gain frequency of frequency compensated operational amplifiers)
* Ground Breaking Wrestling, a hardcore wrestling promotion
* The Guild of Bookworkers, a bookbinding organization in the United States.