| IRAA | Immigration Restructuring and Accountability Act of 1999 
| Others |
| IRAA | Imperial Rule Assistance Association
| Others |
| IRAA | Indian Recording Arts Awards
| Others |
| IRAA | Individuals Requiring Additional Assistance
| Others |
| IRAA | Indoor Radon Abatement Act
| Others |
| IRAA | Installation Recovery After Attack
| Others |
| IRAA | Institutional Research and Advanced Analytics
| Others |
| IRAA | Institutional Research Assessment and Accountability
| Others |
| IRAA | Integrated Regional Appraisal and Assessment
| Others |
| IRAA | Internal Reference Amino Acid
| Others |
| IRAA | International Registry of Artists and Artwork
| Others |
| IRAA | International Relations And Academic Admissions
| Others |
| IRAA | Investors Rights Association of America
| Others |