GD

GD, Gd, or gd may refer to:

Arts and entertainment

• G-Dragon (born 1988), leader of Korean musical group Big Bang
• Grateful Dead, an American rock band
• Green Day, an American rock band

Business and economics

• 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
• Great Depression, a sudden collapse of the global economy in the 1920s
• Composite Index on the Athens Stock Exchange (stock symbol GD)

Math, science and technology

Biology and medicine

• Gaucher's disease, the most common of the lipid storage diseases
• 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

Chemistry

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

Computing

• GD Graphics Library for dynamically manipulating images
• GD-ROM, storage media for the Sega Dreamcast
• .gd, the country code top-level domain for Grenada

Mathematics

• 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
• International Symposium on Graph Drawing, an annual academic conference on graph drawing, network visualization, graph theory, and related topics

Places

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

Other uses

• Scottish Gaelic language (ISO 639-1 code 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
• Goal difference, in sport
• A Subaru Impreza (second generation) sedan (ID code: GD)