| ISRP | In Service Readiness Process 
| Others |
| ISRP | Independent Scientific Review Panel
| Others |
| ISRP | Independent Standards Review Panel
| Others |
| ISRP | Individually Sponsored Residential Project
| Others |
| ISRP | Industrial Sites Reuse Program
| Others |
| ISRP | Initial Study Research Packet
| Others |
| ISRP | Institutional Strategic Research Plan
| Others |
| ISRP | Integrated Submission and Remittance Processing
| Others |
| ISRP | Integrated Systems Research Program
| Others |
| ISRP | Intensive Summer Reading Program
| Others |
| ISRP | Interactive Singleplayer Role Play
| Others |
| ISRP | Interactive Story Role Play
| Others |
| ISRP | Internal Surface Reversed Phase
| Others |
| ISRP | International Society for Respiratory Protection
| Others |
| ISRP | International Special Recommendation Program
| Others |
| ISRP | International Symposium on Ruminant Physiology
| Others |
| ISRP | Invasive Species Reduction Program
| Others |
| ISRP | Inventory Shipping Receiving and Picking
| Others |
| ISRP | Inventory Shipping Receiving Picking
| Others |
| ISRP | Investigator Sponsored Research Program
| Others |
| ISRP | Iowa Superfund Research Program
| Others |
| ISRP | Irish Socialist Republican Party
| Others |