SFG may refer to:
Military
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Special Forces Group (Belgium)
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Special Forces Group (Japan)
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Special Forces (United States Army)#Special Forces groups
Science and Technology
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Sum-frequency generation in optical physics
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Signal-flow graph
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Superior frontal gyrus
In neuroanatomy, the superior frontal gyrus (SFG, also marginal gyrus) is a gyrus – a ridge on the brain's cerebral cortex – which makes up about one third of the frontal lobe. It is bounded laterally by the superior frontal sulcus.
The su ...
, in the human brain
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Systemic functional grammar
Systemic functional grammar (SFG) is a form of grammatical description originated by Michael Halliday. It is part of a social semiotic approach to language called '' systemic functional linguistics''. In these two terms, ''systemic'' refers to ...
Other
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San Francisco Giants, a Major League Baseball team
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L'Espérance Airport, IATA airport code
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