KD

KD and variants may refer to:

Businesses and organizations

• KD Avia, a former Russian airline (IATA code KD)
• KD Transportation Group, a South Korean bus company
• Kalstar Aviation (IATA code KD)
• Kappa Delta, a National Panhellenic sorority
• Kendell Airlines, a former Australian airline (IATA code KD)
• Kings Dominion, an amusement park located in Doswell, Virginia
• Köln-Düsseldorfer, a river cruise operator based in Cologne, Germany
• key and developmental, positions that are outlined as key and developmental (KD) in Department of the Army Pamphlet (DA Pam) 600–3, Commissioned Officer Professional Development and Career Management.

Science and technology

• Dissociation constant (K_D), a type of equilibrium constant
• K-d tree, a data structure in computing
• Kawasaki disease, an inflammatory disease causing vasculitis and sometimes aneurysm
• Kienböck's disease, an avascular necrosis in the lunate bone of the wrist

Other uses

• KD Station, a meat packing plant, later business and entertainment complex, in Sioux City, Iowa, US
• Kapal DiRaja, a ship prefix used in the Royal Malaysian Navy
• KD Lang, a famous musician
• Kentucky Deluxe, a brand of American whiskey
• Kevin Durant, a professional basketball player
• Kristdemokraterna, a Swedish political party
• Khaki drill, a fabric used in 20th-century British military uniforms
• Knock-down kit, a kit of part to assemble something
• Kraft Dinner, a convenience food product
• Kuwaiti dinar, a currency, sometimes represented "K.D." (ISO code KWD)
• K?d, an American DJ and record producer
• Kill-death ratio, a statistic in player-versus-player combat multiplayer video games