PXO
| 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 |