• G-Dragon (born 1988), leader of the South Korean musical group Big Bang
• Grateful Dead, an American rock band
• Green Day, an American rock band
• Geometry Dash, a side-scrolling music platforming video game for mobile and PC

• Gardner Denver, a US-based manufacturer of industrial equipment
• General Dynamics, a US-based defense conglomerate
• Good Delivery, a specification for gold and silver bars
• Composite Index on the Athens Stock Exchange (stock symbol GD)

Biology and medicine edit

• Gaucher's disease, a lipid storage diseases
• Gender dysphoria, distress caused by a difference between the sex and gender a person was assigned at birth
• Generalized dystonia, a neurological movement disorder
• Gestational diabetes, a form of diabetes associated with pregnancy
• Graves' disease, an autoimmune thyroid disorder
• Gain of deiodinases or Sum activity of peripheral deiodinases, used in diagnosis of thyroid disorders
• Grover's disease, another name for Transient acantholytic dermatosis
• Video game addiction, also known as gaming disorder

Chemistry edit

• Gadolinium, symbol Gd, a chemical element
• Soman, a toxic chemical (NATO designation GD)

Computing edit

• GD Graphics Library, for dynamically manipulating images
• GD-ROM, storage media for the Sega Dreamcast
• .gd, the country code top-level domain for Grenada
• GDScript, the built-in language for the Godot game engine

Mathematics edit

• Gaussian distribution, also called the normal distribution, an important family of continuous probability distributions
• Generalized Dirichlet distribution, a probability distribution used in statistics
• Gudermannian function, used in map-making

• Georgia Dome, a stadium in Atlanta, Georgia and the home of the Atlanta Falcons
• Grenada (ISO 3166 country code)
• Guangdong, a province of China (Guobiao abbreviation GD)

• Gangster Disciples, a black street gang in the United States
• General Delivery (French: Poste restante), a service where the post office holds mail until the recipient calls for it
• Georgian Dream, a political party in the country of Georgia
• Goal difference, in sport
• Scottish Gaelic language (ISO 639-1 code gd)
• Subaru Impreza (second generation) sedan (ID code: GD)
• G-d, a substitution of God used by some religiously observant Jews to refer to YHWH
• Toyota GD engine, a straight-4 piston diesel engine developed by Toyota in 2015