NMD may refer to:
- Adidas NMD, a running shoe
- National Masturbation Day
- National Missile Defense
- Naturopathic doctor
- Neuromuscular disease
- Neuronal migration disorder
- New media
- No More Deaths, a humanitarian aid organization
- Non-metropolitan district
- Nonsense mediated decay, a mechanism of messenger RNA surveillance
- Norsk Medisinaldepot, a Norwegian pharmaceutics wholesaler
- Northern Marianas descent
- Norwegian Maritime Directorate