| Acronym | Definition |
|---|
| IQA | Institute of Quality Assurance (UK) |
| IQA | International Quilt Association |
| IQA | Internal Quality Audit |
| IQA | Installation Quality Audit |
| IQA | International Qualifications Assessment (various locations) |
| IQA | Image Quality Analysis (software) |
| IQA | International Quality Assurance (various locations) |
| IQA | International Quizzing Association (est. 2004) |
| IQA | International Quality Associates (Portland, OR) |
| IQA | Independent Quality Assurance |
| IQA | Intercollegiate Quidditch Association |
| IQA | Incoming Quality Audit |
| IQA | Internationale Quellensteuer Abkommen (German: Source International Tax Agreements; Switzerland and UK) |
| IQA | International Quidditch Association (fictional sport group) |