| IQA | IANT Quranic Academy 
| Others |
| IQA | Image Quality Analysis
| Others |
| IQA | Image Quality Assessment
| Others |
| IQA | Image Quality Assurance
| Others |
| IQA | Immunology Quality Assessment
| Others |
| IQA | Increase for a Qualified Adult
| Others |
| IQA | Incremental Queue Accumulation
| Others |
| IQA | Independent Quality Assurance
| Others |
| IQA | Injection Quality Adjustment
| Others |
| IQA | Injector Quantity Adjustment
| Others |
| IQA | Installation Quality Audits
| Others |
| IQA | Institute of Quality Assurance
| Others |
| IQA | Institute of Quality Assurance (U.K.) (subsequently known as The Chartered Quality Institute
| Others |
| IQA | Institute of Quality Assurance (UK)
| Others |
| IQA | Institute of Quarrying Australia
| Others |
| IQA | Integrated Quality Assurance
| Others |
| IQA | Intelligent Query Architect
| Others |
| IQA | Interacting Quantum Atoms
| Others |
| IQA | Interactive Question Answering
| Others |
| IQA | Intercollegiate Quidditch Association
| Others |
| IQA | Internal Quality Assurance
| Others |
| IQA | Internal Quality Audit
| Others |
| IQA | International Quality Accreditation
| Others |
| IQA | International Quality Associates
| Others |
| IQA | International Quality Award
| Others |
| IQA | International Quidditch Association
| Others |
| IQA | International Quilt Association
| Others |
| IQA | Iran Qatar Algeria
| Others |