SFG
SFG may refer to:
- Single Figure Golfer, a community for golfers with a handicap of under 10
- Systemic functional grammar, a form of grammatical description in linguistics
- Stanford Financial Group, a financial services company accused of fraud
- L'Espérance Airport (IATA airport code)
- Sum-frequency generation, a phenomenon in optical physics
- San Francisco Giants, a baseball team in Major League Baseball
- Signal-flow graph
- Scouting for Girls, a British indie pop band.
- Special Forces Group (Belgium)
- Special Forces Group (Japan)
- Special Forces (United States Army) (individual groups therein)
- Superior frontal gyrus, a region in the human brain
- Square foot gardening, planning and creating small but intensively planted gardens