| IRAP | IInterleukin Receptor Antagonist Protein 
| Others |
| IRAP | Illinois Recreational Access Program
| Others |
| IRAP | Industrial Research Assistance Program
| Others |
| IRAP | Industrial Research Assistance Programme
| Others |
| IRAP | InfoSec Registered Assessors Program
| Others |
| IRAP | Injury Risk Assessment and Prevention
| Others |
| IRAP | Institutional Research Academic Planning
| Others |
| IRAP | Institutional Research Assessment Planning
| Others |
| IRAP | Integrated Research Administration Portal
| Others |
| IRAP | Interagency Radiological Assistance Plan
| Others |
| IRAP | Interleukin Receptor Antagonist Protein
| Others |
| IRAP | Interleukin1 Receptor Antagonist Protein
| Others |
| IRAP | International Refugee Assistance Project
| Others |
| IRAP | International Relations of the Asia Pacific
| Others |
| IRAP | International Research Applications Program
| Others |
| IRAP | International Road Assessment Programme
| Others |
| IRAP | International Roaming Access Protocols
| Others |
| IRAP | Internet Route Access Protocol
| Others |
| IRAP | Iraqi Refugee Assistance Project
| Others |