| Term | Full Form | Category |
|---|---|---|
| QO | Qualified Occupancy | Others |
| QO | Qualifying Offer | Others |
| QO | Quality Of .... | Others |
| QO | Quality Office | Others |
| QO | Quality Oncology, Inc. | Others |
| QO | Quality Oncology, Incorporated | Others |
| QO | Quality Operations | Others |
| QO | Quantifier Order | Others |
| QO | Quantitative Options | Others |
| QO | Quasi Omnigeneity | Others |
| QO | Quasi-Optical | Others |
| QO | Quaternion Organon | Others |
| QO | Query Object | Others |
| QO | Quest Organization | Others |
| QO | Questions and Orders | Others |
| QO | Quick Open | Others |
| QO | Quick Opening | Others |
| QO | Quince Orchard | Others |
| QO | Quote Order | Others |
| QO | Qwik Open | Others |
| QO | The Queen's Own | Others |