| Acronym | Definition |
|---|
| DNS | Domain Name System |
| DNS | Domain Name Service |
| DNS | Did Not Start (auto racing) |
| DNS | Did Not Show |
| DNS | Desoxyribonukleinsäure (German: DNA) |
| DNS | Do Not Sell |
| DNS | Distributed Name Service |
| DNS | Determination of Non Significance |
| DNS | Director of Nursing Services |
| DNS | Data Network Services (Richmond, Virginia) |
| DNS | Digital Nervous System |
| DNS | Dansyl |
| DNS | Data Not Shown |
| DNS | Domain Name Server/Service |
| DNS | Deviated Nasal Septum |
| DNS | Dynamic Name Server |
| DNS | Do Not Schedule |
| DNS | Dark Northern Spring (wheat) |
| DNS | Do Not Substitute (pharmacy directive) |
| DNS | Director, Navy Staff |
| DNS | Department of Nuclear Safety (FEMA) |
| DNS | Decca Navigator System (RadioNavigation-Commission of Irish Lights) |
| DNS | Doppler Navigation System |
| DNS | Den Norske Studentersangforening |
| DNS | Dog N Suds (drive-in restaurant) |
| DNS | Day & Night Sight |
| DNS | Date Not Specified |
| DNS | Diffuse Neutron Scattering |
| DNS | Day/Night Scope |
| DNS | Delta Network Systems |
| DNS | Drowning Non-Swimmer (lifeguarding) |
| DNS | Diablo Numismatic Society |
| DNS | Dragon Naturally Speaking (voice recognition) |
| DNS | Dremel Net Solutions LLC |
| DNS | Doppler Navigation Sensor |
| DNS | Drunk 'n Stupid (band) |
| DNS | Dextrose Normal Saline |
| DNS | Division of Nutritional Services |
| DNS | Digital Network Switch |
| DNS | Dinitrosalycilate (biochemistry) |
| DNS | Dundee Naturalists' Society (Scotland, UK) |
| DNS | Domain Naming System |
| DNS | Doctor of Nursing Science |
| DNS | Dinitrosalicylic Acid |
| DNS | Debt Negotiation Services (Boynton Beach, FL) |
| DNS | Direct Numerical Simulation |
| DNS | Digital Network Solutions (various locations) |
| DNS | Defense National Stockpile |
| DNS | Division of Nuclear Safety |
| DNS | Do Not Survey |
| DNS | Distant Network Service |
| DNS | Do Not Stuff (electronics manufacturing) |