| Acronym | Definition |
|---|
| NST | New Straits Times (Malaysia) |
| NST | Newfoundland Standard Time (GMT-0330) |
| NST | Non-Stress Test |
| NST | No Such Thing |
| NST | Network Security Toolkit (Linux) |
| NST | Newfoundland Standard Time |
| NST | Network Support Technician |
| NST | Noise Tracker |
| NST | Network Security Toolkit |
| NST | National Scenic Trail (NPS) |
| NST | Not So Tiny |
| NST | Network Security Technology (various organizations) |
| NST | Neurostructural Integration Technique |
| NST | Nursing Station Technician |
| NST | National Support Team |
| NST | Nucleus of the Solitary Tract (in the brain stem) |
| NST | Nuclear Science & Technology (various organizations) |
| NST | New Security Technologies (Texas) |
| NST | Niigata Sogo Television (Japan) |
| NST | National Sales Tax |
| NST | North South Trail (hiking) |
| NST | National Sprint Tour |
| NST | National Standard Thread (standard thread used on fire hoses and couplings in the US fire service) |
| NST | Noche Sin Tregua (Spanish TV show) |
| NST | Neon Sign Transformer |
| NST | Native Speaker Teacher |
| NST | North Sumatra Time (GMT+0630) |
| NST | Nintendo Software Technology Corporation (Nintendo of America's internal development studio) |
| NST | Nippon Steel Trading (Chicago, IL) |
| NST | Nuclear Stress Test |
| NST | Neopian Standard Time (fictional) |
| NST | Netcentric Systems Test |
| NST | NATO Staff Target |
| NST | Northside Storage Tunnel (Australia) |
| NST | Nuclear Somatic Transfer (cloning method) |
| NST | Naval Staff Target |
| NST | Not Sooner Than |
| NST | Navigation Technology Satellite |
| NST | New Source Testing |
| NST | Nimrod Software Team (UK) |
| NST | Net Sync Time |
| NST | No School Tomorrow |
| NST | Nuclear & Space Talks |
| NST | Non-Standard Terms |
| NST | Node Systems Trainer |
| NST | Navy Standard Teletype |
| NST | National Sector Team (Canada) |
| NST | Non-Scheduled Testing |
| NST | Name Search Transition |
| NST | Number of Reporting Seismic Stations (US Geological Survey) |
| NST | National Training Standard |
| NST | Normal Sphincter Tone |
| NST | NSTAR Gas and Electric (Boston, MA) |
| NST | Office of National Security Technology |
| NST | Network Signaling Terminal |
| NST | Normative Stakeholder Theory (business ethics) |