NCD may refer to:
Language Nemine contradicente (or N.C.D.), for 'with no one speaking against' Non-convergent discourse, an asymmetricly bilingual conversation
Mathematics Normalized compression distance, in statistics and information theory Nearly completely decomposable Markov chain, in probability theory
Medicine Non-communicable disease, that cannot be transmitted National coverage determination, American public healthcare guidance Neurocognitive disorder, a class of mental illness
Organisations in government and politics National Council on Disability, United States National Center for Digitization, Serbia Naval Construction Division of the U.S. Navy Seabees New Centre-Right, Italy
Other uses National Cleavage Day National Commission On Disabilities, an organization based in Liberia Naval Combat Dress, a uniform of the Canadian Forces Network Computing Devices, a company No claim discount on insurance policies Non-convertible_debenture, a debt instrument in corporate finance