| Acronym | Definition |
|---|
| FQI | Floristic Quality Index (ecological index) |
| FQI | Fiabilité et Qualité Industrielle (French: Reliability and Industrial Quality) |
| FQI | Flight Qualification Instrumentation (US NASA) |
| FQI | Fuel Quantity Indicator |
| FQI | Federal Quality Institute |
| FQI | Formation Qualification Insertion (French: Insertion Training Qualification) |
| FQI | First Quality Industries Ltd. (Canada) |
| FQI | Fibre Quality Index (textiles) |
| FQI | Fact, Question, Inference (educational method) |
| FQI | Food Quality Indicator |
| FQI | Final Quality Inspection (Mazda Motor Corp.) |