What is "fgb"

FGB may refer to:

• Fibrinogen beta chain, encoded by the FGB gene
• First General Bank, an American bank
• First Guaranty Bank, an American bank
• First Gulf Bank, an Emiri bank
• Franco-German Brigade, a unit of the Eurocorps
• Führer Grenadier Brigade, a unit of the Germany Army active during World War II
• Functional Cargo Block (Russian: , ), a spacecraft and International Space Station component