FRG
# FRG

FRG may refer to:

* Family Readiness Group in the United States Army
* Federal Republic of Germany
   * West Germany
* FMN reductase (NAD(P)H)
* Friendship Radiosport Games
* Functional renormalization group
* Guatemalan Republican Front (Spanish: Frente Republicano Guatemalteco), a defunct political party in Guatemala
* Republic Airport in East Farmingdale, New York, United States
