DG
DG may refer to:

Arts and entertainment
Death Grips, an American experimental hip hop group
DG (character), in the science fiction series Tin Man
Dial Global, a radio network
Dragon Gate, a Japanese professional wrestling promotion
Drain Gang, a Swedish rap group

Business and organizations
Data General, a minicomputer manufacturer
Desnoes & Geddes (DG, D&G), a Jamaican brand of soft drinks
Delta Gamma, a women's sorority
Deutsche Grammophon, a classical music record label
DG Flugzeugbau, a German airplane manufacturer
Dial Global, a radio network
Dolce & Gabbana, an Italian luxury fashion design
Dollar General, an American variety store (NYSE ticker DG)

Places
DG postcode area, the Dumfries and Galloway postcode area in Scotland
Danilovgrad, a municipality in Montenegro, abbreviated DG on car plates
German-speaking Community of Belgium (German: Deutschsprachige Gemeinschaft)
Diego Garcia, exceptionally reserved ISO 3166-1 alpha-2 country code for

Science, mathematics and technology
Decigram, a unit of measure
Dentate gyrus, a brain structure
Diglyme, an organic solvent
Directional gyroscope, a heading indicator use in aircraft
Discontinuous Galerkin method, a numerical method
Distributed generation of energy

Transport
Cebgo, formerly South East Asian Airlines, SEAir, Tigerair Philippines; IATA code
Dindigul Junction railway station, Tamil Nadu, India; Indian Railways station code

Other uses
DG (footballer) (born 2001), Douglas da Silva Teixeira, Brazilian footballer
Dei gratia (Latin: "By the grace of God"), abbreviated D.G.
Deo gratias (Latin: "Thanks be to God").
Dangerous goods
Differential geometry
Director-general
Directorate-General, a type of specialised administrative body in the European Union