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, 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 in metadata * Neighborhood deformation retract, a kind of topological subspace * National Data Repository, a system to store data about a nation's natural resources

Others

Nador International Airport Nador International Airport ( ber, Anafag en Ennaḍor Aɛarwi, italic=yes; ar, مطار الناظور العروي), , is an international airport serving Nador, A paid car-park area is directly outside terminal, mainly used to bring passenge ...

(IATA code name: NDR), airport in Morocco *

National Driver Register The National Driver Register (NDR) is a computerized database of information about United States drivers who have had their driver's licenses revoked or suspended, or who have been convicted of serious traffic violations, such as driving under th ...

, 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 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 * 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