| Acronym | Definition |
|---|
| DEX | Dexterity |
| DEX | Dextrose |
| DEX | Delta Epsilon Chi |
| DEX | Decrement Index |
| DEX | Direct Exchange |
| DEX | Dynamic Execution |
| DEX | Direct Exchange (data communications) |
| DEX | Data Exchange Corporation (Camarillo, California) |
| DEX | Detector Exploration Ltd (stock symbol) |
| DEX | Dictionary Expansion Library |
| DEX | Decrement Index Register (programming) |
| DEX | Developing Excellence (EU) |
| DEX | Digital Exploration Society |
| DEX | Distributed Execution |
| DEX | Dungeon Eternal X (gaming) |
| DEX | Deaf Ex-Mainstreamers Group Ltd (UK) |
| DEX | Deconvolution of Exchange (Data) |