NCD

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