| Acronym | Definition |
|---|
| VAST | Viewer Access Satellite Television (Australia) |
| VAST | Visual Audio Sensory Theater (band) |
| VAST | Variable Advance Spark Timing |
| VAST | Variable Array Storage Technology |
| VAST | Visual Analytics Science and Technology (Symposium) |
| VAST | Vietnamese Academy of Science and Technology |
| VAST | Visualage Smalltalk |
| VAST | Vector Alignment Search Tool |
| VAST | Value Added Strategic Thinking (VAST Atlantic Company Inc.) |
| VAST | Virtual At Sea Training (US Navy) |
| VAST | Vermont Association of Snow Travelers, Inc. |
| VAST | Valley Aquatics Swim Team (Puyallup, WA) |
| VAST | Valley Area Swim Team (various locations) |
| VAST | Virtual Archive Storage Technology |
| VAST | Vexillological Association of the State of Texas |
| VAST | Vancouver Association for the Survivors of Torture (British Columbia, Canada) |
| VAST | Vermont Association of Snowmobile Travelers |
| VAST | Veterans Affairs Security Team |
| VAST | Value Added Services for Transport (EU) |
| VAST | Vulnerability Analysis for Surface Targets |
| VAST | Valley AeroSpace Team (rocketry club) |
| VAST | Versatile Avionics Shop/Ship Test/er |
| VAST | Virginia Advanced Speakers Toastmaster club |
| VAST | Value Added Search Technology (VAST Atlantic Company Inc.) |