| Acronym | Definition |
|---|
| QI | Quality Improvement |
| QI | Qualified Intermediary |
| QI | Quotient Intellectuel (French) |
| QI | Quite Interesting (UK game show) |
| QI | Quite Interesting (Uk TV game show) |
| QI | Quality Indicators |
| QI | Quality Information |
| QI | Qualified Individual |
| QI | Quality Index |
| QI | Quality Inspection |
| QI | Query Interface (COM programming) |
| QI | Quociente de Inteligência (Portuguese) |
| QI | Quality Instruction |
| QI | Quality Inspector |
| QI | Quality Increase |
| QI | Quantum Interaction (Conference) |
| QI | Québec Inc. (gaming clan) |
| QI | Query Property (police incident code; New Zealand) |
| QI | Postal Insurance (Scott Catalogue prefix; philately) |
| QI | Quadruple Integral |
| QI | Quantity Indicator |
| QI | Qualifying Interview |
| QI | Quota International, Inc. (Washington, DC) |