QPO
| Acronym | Definition |
|---|---|
| QPO | Quasi-periodic Oscillation |
| QPO | Queens Park Oval (cricket; Port of Spain,Trinidad and Tobago) |
| QPO | Qua Patet Orbis (Märsta, Sweden) |
| QPO | Qualifying Public Offering (stocks) |
| QPO | Quai à Pondéreux Ouest (French) |
| QPO | Queensland Pops Orchestra (Australia) |
| QPO | Quantity per Occasion (alcohol intake) |