NDC or ndc may refer to:
- IATA code for Nanded Airport, India
- ndc, "name daemon control program" in some Unix-based BIND name-server environments
- N.D.C., a 2002 single by Australian band Jebediah
- National Defence Commission of North Korea
- National Democratic Congress (Ghana), a political party in Ghana
- National Democratic Congress (Grenada), a political party in Grenada
- National Dental Centre of Singapore
- National Destination Code, a segment of the phone number in the E.164 specification
- National Development Complex, an industrial complex in Pakistan
- National Drug Code, a medication-labelling mechanism used in the United States of America
- NATO Defence College
- National Defence College, graduates use the post-nominals ndc.
- NCR Direct Connect Protocol (NCR Corporation), a communication format used by automated teller machines
- Negative differential conductivity
- Network distribution center, a mail processing facility for the United States Postal Service
- New Deal for Communities, a U.K. Government-established organisation
- New Democrat Coalition, a group in the U.S. Democratic Party
- Nippon Decimal Classification, a system of library classification used mainly in Japan
- non-degree candidate, someone attending an institution of tertiary education but not eligible for a baccalaureate or higher degree
- Normalized device coordinates, a system of coordinates used in computer graphics
- Norwegian Developers Conference, an annual conference dedicated to .NET and Agile development, organized by ProgramUtvikling and Microsoft Norway.
- Notional Defined Contribution, a pension system
- Nuclear Dehydrogenating Clostridia - serotypes of the genus clostridium that produce carcinogenic compounds from the metabolism of bile salts and may have a role in the pathogenesis of colorectal cancer