title: SFG
text: # SFG
  
  SFG may refer to:
  
  ## Military
  
  * Special Forces Group (Belgium)
  * Special Forces Group (Japan)
  * Special Forces (United States Army)#Special Forces groups
  
  ## Science and Technology
  
  * Sum-frequency generation in optical physics
  * Signal-flow graph
  * Superior frontal gyrus, in the human brain
  * Systemic functional grammar
  
  ## Other
  
  * San Francisco Giants, a Major League Baseball team
  * L'Espérance Airport, IATA airport code
  