NCD
- Cognitive disorder
- National Center for Digitization
- National Cleavage Day
- National Commission On Disabilities
- National Council on Disability
- National coverage determination
- Nearly completely decomposable Markov chain
- Nemine contradicente
- Network Computing Devices
- New Centre-Right
- No claim discount
- Non-communicable disease
- Non-convergent discourse
- Normalized compression distance
- Seabee
- Uniforms of the Canadian Armed Forces