KD

K_d is the dissociation constant, a specific type of equilibrium constant.

KD may also refer to:

• Kappa Delta, a National Panhellenic sorority
• K-d tree, a data structure in computing
• Kendell Airlines, former Australian airline, IATA code
• KD Avia, former Russian airline, IATA code
• KD Station, meat packing plant, later business and entertainment complex
• IATA code for Kalstar Aviation
• Khaki drill, a fabric used in 20th-century British military uniforms
• Kings Dominion, an amusement park located in Doswell, Virginia
• Knock-down kit, a kit of part to assemble something
• Known Depredator, an Indian term for a petty criminal
• Köln-Düsseldorfer, a river cruise operator based in Cologne, Germany
• Kraft Dinner, a macaroni and cheese convenience food
• Kuwaiti dinar, symbol sometimes K.D., ISO code KWD
• Kapal DiRaja, ship prefix used in the Royal Malaysian Navy
• KD transportation group, South Korean bus company
• Kevin Durant, a professional basketball player
• Kienbocks Disease, Avascular necrosis of the lunate bone.