| Acronym | Meaning |
| VAR | Variable |
| VAR | Verification Analysis Report |
| VAR | Volt Ampere Reactive |
| VASI | Visual Approach Slope Indicator |
| VAST | Versatile Avionics System Tester |
| VAT | Vibro-Acoustic Test |
| VATA | Vibro-Acoustic Test Article |
| VATF | Vibration And Acoustic Test Facility |
| VC | Vector Character |
| VC | Velocity Counter |
| VCAP | Vehicle Charging And Potential Experiment |
| VCB | Vertical Location Of The Center Of Buoyancy |
| VCC | Verification Code Counter |
| VCD | Verification Control Document |
| VCD(S) | Vapor Compression Distillation (Subsystem) |
| VCE | Voice |
| VCG | Vector Cardiogram |
| VCG | Vertical Location Of The Center Of Gravity |
| VCI | Velocity Change Indicator |
| VCM | Volatile Condensable Material |
| VCN | Verification Completion Notice |
| VCO | Voltage Controlled Oscillator (Oscillation) |
| VCP | Vandenberg Contract Report |
| VCS | Verification Control Sheet |
| VCS | Voice Command System |
| VCT | Voltage Control Transfer |
| VCTR | Vector |
| VCU | Video Control Unit |
| VCU | Video Control Unit |
| VDA | Valve Driver Assembly |
| VDA | Variable Data Area |
| VDC | Volts |
| VDD | Verification Description Document |
| VDD | Version Description Document |
| VDI | Vendor Documentation Inventory |
| VDI | Vertical Display Indicator |
| VDS | Vehicle Dynamics Simulator |
| VDT | Vehicle Data Table |
| VDU | Visual Display Unit |
| VE | Equivalent Velocity |
| VE | Vehicle Engineering (KSC VBO Directorate) |
| VECIB | Vehicle Engineering Change IMplementation Board |
| VECO | Vernier Engine Cutoff |
| VEDS | Vehicle Emergency Detection System |
| VEEI | Vehicle Electrical Engine Interface |
| VEFCO | Vertical Functional Checkout |
| VEH | Vehicle |
| VEH | ID Vehicle Identification |
| VEI | Vehicle End Item |
| VEL | Velocity |