NDR may refer to:

Computing

Non delivery report A bounce message or just "bounce" is an automated message from an email system, informing the sender of a previous message that the message has not been delivered (or some other delivery problem occurred). The original message is said to have "boun ...

, a return email message to a sender indicating failed message delivery *

Network Data Representation Network Data Representation (NDR) is an implementation of the presentation layer in the OSI model. It is used for DCE/RPC and Microsoft RPC (MSRPC). See also * DCE/RPC * Microsoft RPC Microsoft RPC (Microsoft Remote Procedure Call) is a modified v ...

, an implementation of the OSI model presentation layer

Science and technology

Negative differential resistance In electronics, negative resistance (NR) is a property of some electrical circuits and devices in which an increase in voltage across the device's terminals results in a decrease in electric current through it. This is in contrast to an ordi ...

Naming and Design Rules {{Short description, Formal rules in metadata In metadata, Naming and Design Rules are the formal rules associated with how data elements are structured within a process of creating exchange documents between organizations. Naming and Design Rules ...

in metadata *

Neighborhood deformation retract In topology, a branch of mathematics, a retraction is a continuous mapping from a topological space into a subspace that preserves the position of all points in that subspace. The subspace is then called a retract of the original space. A deformat ...

, a kind of topological subspace *

National Data Repository A National Data Repository (NDR) is a data bank that seeks to preserve and promote a country's natural resources data, particularly data related to the petroleum exploration and production (E&P) sector. A National Data Repository is normally estab ...

, a system to store data about a nation's natural resources

Others

* Nador International Airport (IATA code name: NDR), airport in Morocco * National Driver Register, United States *

Norddeutscher Rundfunk Norddeutscher Rundfunk (NDR; ''Northern German Broadcasting'') is a public broadcasting, public radio and television broadcaster, based in Hamburg. In addition to the city-state of Hamburg, NDR broadcasts for the German states of Lower Saxony, M ...

, a public radio and television broadcaster in northern Germany *

Norwich Northern Distributor Road The Norwich Northern Distributor Road, now officially named the Broadland Northway (but also known as the NDR) is a dual-carriageway linking the A47 to the south east of the city to the proposed Rackheath Eco-town and Norwich International Airp ...

or Broadland Northway, a major route around the north of Norwich, England *

Singapore National Day Rally The National Day Rally ( ms, Rapat Umum Hari Kebangsaan; ; ta, தேசிய தின பேரணி) is an annual message delivered by the prime minister of Singapore to the entire nation, on the first or second Sunday after the National ...

, an annual address that the Prime Minister of Singapore makes to the nation * Non-invasive disc rehabilitation,

NDR Method The NDR Method is a registered trademark with the US Patent and Trademark Office for the non-surgical medical treatment of spinal discs. The NDR Method was developed by Dr. Eric M. Shapiro, D.C. of Charlotte, North Carolina, US. The treatment is o ...

* Nash Dom Rossiya (Наш Дом Россия,

Our Home Is Russia Our or OUR may refer to: * The possessive form of "we" * Our (river), in Belgium, Luxembourg, and Germany * Our, Belgium, a village in Belgium * Our, Jura, a commune in France * Office of Utilities Regulation (OUR), a Politics of Jamaica#Regulator ...

), Russian political party * North Diversion Road, which is a nickname to

North Luzon Expressway The North Luzon Expressway (NLEX), signed as E1 of the Philippine expressway network, partially as N160 of the Philippine highway network, and R-8 of the Metro Manila arterial road network, is a limited-access toll expressway that connects M ...

and formerly its official name {{disambiguation