| Acronym | Definition |
|---|
| FBG | Fredericksburg (Amtrak station code; Fredericksburg, VA) |
| FBG | Fashion Bed Group (est. 1991) |
| FBG | Fasting Blood Glucose |
| FBG | French Business Group (est. 1974) |
| FBG | Fiber Bragg Gratings |
| FBG | Fredericksburg (Texas city) |
| FBG | Fat Bottom Girls (Queen song) |
| FBG | Flash Bang Grenade |
| FBG | Fleischerei-Berufsgenossenschaft (German butcher trade association) |
| FBG | Fluidized Bed Gasification |
| FBG | Feet Below Grade (bedrock) |
| FBG | FatBoy Gang (rap group) |
| FBG | Family Business Garden (Department of Agriculture; Sri Lanka) |
| FBG | Facebook Global (targeted advertising) |
| FBG | Friends Burial Grounds (Quaker religion) |
| FBG | Fondation pour une Bibliothèque Globale (French: Global Library Foundation; Canada) |
| FBG | Functional Brain-Gut Research Group |
| FBG | Full Governing Body (education; UK) |
| FBG | French Brigade of Ghosts (gaming) |
| FBG | Final Battle Ground (gaming) |
| FBG | Festival of Black Gospel (Cornell University; Ithaca, NY) |
| FBG | Future Business Growth (business networking group; UK) |
| FBG | Florida Brewer's Guild |
| FBG | Fluidized Bed Generator |
| FBG | Flavor Blasted Goldfish (gaming) |
| FBG | Forum Battle Group (gamng) |
| FBG | Frozen Baked Goods |
| FBG | Fossil Basalt Groundwater |
| FBG | Full Blooded Goon |