DNS is the Domain Name System, a network system used to translate names into IP addresses.

Look up DNS in Wiktionary, the free dictionary.

DNS may also refer to:

• Deviated nasal septum, a displaced part of the nose
• 3,5-Dinitrosalicylic acid, an aromatic compound
• Dinalbuphine sebacate, an analgesic
• Direct numerical simulation, a simulation method in computational fluid dynamics
• Dragon NaturallySpeaking, speech recognition software
• "Do not stuff", the omitting of a component on a printed circuit board

• Doctor of Nursing Science, an academic research degree
• Det Nødvendige Seminarium, a teacher training college in Denmark
• Demokratski narodni savez (Democratic People's Alliance), a political party in Bosnia and Herzegovina
• Dinas Powys railway station (station code), Wales
• Distressed non-swimmer, a swimming victim type
• Did not start, in the glossary of motorsport terms
• DNS (retail company), an electronics retailer in Russia

• Didcot, Newbury and Southampton Railway (DN&SR), an English railway 1891–1923

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