| QDA | Qatar Diabetes Association
| Others |
| QDA | Quadratic Diffuser Absorber
| Others |
| QDA | Quadratic Discriminant Analysis
| Others |
| QDA | Quaker Digital Academy
| Others |
| QDA | Qualified Dental Assistant
| Others |
| QDA | Qualitative Data Analysis
| Others |
| QDA | Quality Defect Analyst
| Others |
| QDA | Quantitative Descriptive Analysis
| Others |
| QDA | Quantity Discount Agreement
| Others |
| QDA | Quarter Deck Athletics
| Others |
| QDA | Queer Disability Anthology
| Others |
| QDA | Quetta Development Authority
| Others |
| QDA | Quick and Dirty Analysis
| Others |
| QDA | Quick Defect Analysis
| Others |