BLX
| Acronym | Definition |
|---|---|
| BLX | Boundary Layer Experiment (meteorology) |
| BLX | British Legion of Xbox (gaming clan) |
| BLX | Belluno Airport (airport code; Belluno, Italy) |
| BLX | Ballarat Learning Exchange (Ballarat, Victoria, Australia) |
| BLX | Basic Launch Complex |
| BLX | Business Line Expert |