FBG may refer to:
- Fiber Bragg grating
- Finnish Border Guard
- Fredericksburg station, Amtrak code FBG
- Simmons Army Airfield, North Carolina, US
- FBG Duck, deceased Chicago drill rapper.
This disambiguation page lists articles associated with the title FBG.
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If an internal link led you here, you may wish to change the link to point directly to the intended article.