| Acronym | Definition |
|---|
| RNS | Registered Nurse Specialist (various locations) |
| RNS | Religion News Service (Washington, DC) |
| RNS | Regulatory News Service (UK stock market) |
| RNS | Rothesay Netherwood School (Canada) |
| RNS | Reactive Nitrogen Species |
| RNS | Remote Name Server |
| RNS | Remote Network Server |
| RNS | Reliable Network Server |
| RNS | Root Name Server |
| RNS | Reporting and Notification Service |
| RNS | Radio Network Subsystem |
| RNS | Region Name Server |
| RNS | Restarting Name Server |
| RNS | Resource Name System |
| RNS | Real Network Solutions |
| RNS | Remote Node Service |
| RNS | Radio Network Server |
| RNS | Radio Navigation System |
| RNS | Rinnovamento Nello Spirito (Italian: Renewal in the Spirit) |
| RNS | Ribonukleinsäure (German: RNA) |
| RNS | Residue Number System |
| RNS | Rigid Needle Shield |
| RNS | Radio Network Subsystem (GPRS) |
| RNS | Repetitive Nerve Stimulation (medical diagnostic test) |
| RNS | Rabid Neurosis |
| RNS | Royal Numismatic Society (UK) |
| RNS | Resource Namespace Service (computer networking) |
| RNS | Respiratory Nursing Society |
| RNS | Ranosoft |
| RNS | Rally for A New Society (Congo political party) |
| RNS | Rencontre Nationale Sportive (French: National Sports Meet) |
| RNS | Rennes, France - St Jacques (Airport Code) |
| RNS | Research Needs Statements |
| RNS | Respiratory Nurse Specialist |
| RNS | Ruth Newman Shapiro Regional Cancer Center (Atlantic City, NJ) |
| RNS | Remote Network Support (Illinois) |
| RNS | Run Not Scored (skiing) |
| RNS | Received No Score (Olympics) |
| RNS | Radar Navigation Set |
| RNS | Radar Netting Station |
| RNS | Really Neat Stuff, Inc (Downers Grove, IL) |
| RNS | Reference Number Section |
| RNS | Refit Notification Signal |
| RNS | Reverse Numbering System (medication packaging) |