| Acronym | Meaning |
| VISSR | Visible And Infrared Spin-Scan Radiometer |
| VISSR | Visible And Infrared Spin-Scan Radiometer |
| VISTA | Visual Terrain Analyzer |
| VLA | Very Large Array |
| VLBI | Very Long Baseline Interferometry |
| VLF | Very Low Frequency |
| VLF | Very Low Frequency |
| VLSI | Very Large Scale Interface |
| VM/CMS | Virtual Machine/Conversational Monitor System |
| VM/SP | Virtual Machine/System Product |
| VMS | Virtual Memory Systems |
| VNIRO | Russian Federal Research Institute Of Fisheries And Oceanography |
| VNTSC | Volpe National Transportation Systems Center |
| VOCS | Volatile Organic Compounds |
| VOR | VHF Omnidirectional Range |
| VOR | Visual Omnirange |
| VORTAC | Very High Frequency (omnirange) TACAN (tactical Air Navigation System) |
| VORTEX | Verification Of Tornadoes Experiment |
| VRMS OR VRMS | Volt Root Mean Square |
| VRR | Visual Radio Range |
| VRR | Visual Radio Range |
| VSM | Vertical Slab Model |
| VSP | Visiting Scientist Programs |
| VSWR | Voltage Standing-wave Ratio |
| VTAM | Virtual Telecommunications Access Method |
| VTD | Velocity Track Display |
| VTPR | Vertical Temperature Profile Radiometer |
| VTPR | Vertical Temperature Profile Radiometer |
| VTR | Video Tape Recorder |
| VTR | Video Tape Recorder |
| VTVM | Vacuum Tube Voltmeter |
| VTVM | Vacuum Tube Voltmeter |
| VU | Voice Unit |
| VUG | Visualization Users Group |
| VWS | Vertical Wind Shear |
| W-Z RELATIONSHIP | W = Precipitation Content |
| W-Z RELATIONSHIP | W = Precipitation Content |
| WACCM | Whole Atmosphere Community Climate Model |
| WAMFLEX | Wave Momentum Flux Experiment |
| WAMPP | Wave Momentum Parameterization Program |
| WAN | Wide Area Network |
| WARN | Weather-Auto Relay Network |
| WAS | Whole Air Sampler |
| WATOX | Western Atlantic Ocean Experiment |
| WATS | Wide Area Telecommunications Service |
| WBGT | Wet Bulb Globe Temperature |
| WBRT | Weather Bureau Radio Thoedolite |
| WBSI | Western Behavioral Sciences Institute |
| WCIRP | World Climate Impacts And Response Strategies Program |
| WCRP | World Climate Research Program |