| Acronym | Definition |
|---|
| ARX➣Auto Route Express |
| ARX➣Automatic Retransmission Exchange |
| ARX➣AutoCAD Runtime Extension |
| ARX➣Adaptive Resource Switch (Acopia) |
| ARX➣Autoregressive Exogenous |
| ARX➣Artists' Regional Exchange (collaborative international exhibition project) |
| ARX➣Advocacy Resource Exchange (est. 2004; UK) |
| ARX➣Action Research Exchange (Simon Fraser Public Interest Research Group; Simon Fraser University; Burnaby, British Columbia, Canada) |
| ARX➣Experimental Repair Ship |