| Acronym | Definition |
|---|
| PXO➣Parallax Online (gaming) |
| PXO➣Porto Santo, Madeira Islands, Portugal - Porto Santo (Airport Code) |
| PXO➣Prospective Executive Officer |
| PXO➣Phoenix Orion (performer) |
| PXO➣Psi Chi Omega |
| PXO➣Predictive Execution Optimizer |
| PXO➣Pool Executable Object |