SGD is the ISO 4217 code of the Singapore dollar, the currency of Singapore.
SGD or sgd can also mean:
* Saccharomyces Genome Database, a yeast database
* Sargodha, a Pakistani city
* Secure global desktop, software by Tarantella, subsequently bought and used by Sun Microsystems and by Oracle Corporation
* SG Dynamo Dresden, a German association-football club
* Sliding glass door, a type of sliding door
* Smart Grid Device, an electronic device for smart grids
* Sønderborg Airport (IATA code SGD)
* Spanish Gangster Disciples, an American gang
* Stars Go Dim, an American pop-rock band
* Stochastic gradient descent, an optimization algorithm
* Submarine groundwater discharge, freshwater aquifer seepage into oceans
* Surigaonon language, based on its ISO 639-3 code sgd
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