| Acronym | Definition |
|---|
| Vx | Vertex |
| Vx | Virus |
| Vx | Vixen (Suzuki VX800 motorcycle) |
| Vx | Air Test and Evaluation Squadron (US Navy) |
| Vx | Vehicross (Isuzu) |
| Vx | Test and Evaluation Squadron (US Navy) |
| Vx | Air Development Squadron (US Navy Aviation unit designation used from 1946 to 1968) |
| Vx | Velocity X (best angle of climb; aviation) |
| Vx | Experimental Squadron (US Navy Aviation unit designation used from 1927 to circa 1943) |
| Vx | Velocity along the X Axis |
| Vx | O-Ethyl S-Diisopropylaminomethyl Methylphosphonothiolate (chemical nerve agent) |
| Vx | Air Operational Development Squadron (US Navy Aviation unit designation used from 1946 to 1968) |
| Vx | Test/Air Development Squadron |
| Vx | Experimental and Development Squadron (US Navy Aviation unit designation used from 1946 to 1968) |
| Vx | Operational Development Squadron (US Navy Aviation unit designation used from 1946 to 1968) |
| Vx | Virt-X Stock Exchange |