IRAA
| Acronym | Definition |
|---|---|
| IRAA | Indoor Radon Abatement Act |
| IRAA | Intelsat Retirees and Alumni Association (est. 1999; Silver Spring, MD) |
| IRAA | International Registry of Artists and Artwork |
| IRAA | Investors' Rights Association of America |
| IRAA | Industrial Relations Amendment Act (various nations) |
| IRAA | Internal Reference Amino Acid (biochemistry) |
| IRAA | Indirect Radiolabeled Antiglobulin Assay (human sperm studies) |