CLD

CLD may refer to:

Medicine

 * Cholesterol-lowering drug
 * Chronic liver disease
 * Chronic lung disease
 * Chronic lifestyle disease

Transport

 * Chelsfield railway station in Orpington, London (National Rail station code: CLD)
 * ChairLift Detachable, a classification of a Detachable chairlift
 * McClellan–Palomar Airport in CarLsbaD, California (IATA Code: CLD)

Science and technology

 * Causal loop diagram for modeling dynamic systems
 * The Center for Life Detection, a NASA-supported collaboration of researchers in the science of detecting life beyond the Earth
 * C ha ld ean Neo-Aramaic (language), in ISO 639-3 code (list of all codes beginning with "c")
 * cld, the cl ear d irection flag instruction on x86 compatible CPUs, opposite of std
 * CLD chromophore in organic chemistry and polymeric nonlinear optics
 * CLD player, a series of Laserdisc players with CD playback from Pioneer
 * Color layout descriptor, a summary used in digital image processing to capture the spatial distribution of color in an image
 * Command Definition Language, for defining commands for use with DIGITAL Command Language
 * Configurable Logic Device, synonym for PLD
 * Constrained-layer damping, a mechanical engineering technique for suppression of vibration
 * Current limiting diode, otherwise known as constant current diode in electronics

Other

 * Charles Lutwidge Dodgson, the pen name of Lewis Carroll