| ISRD | Industry Shared Risk Database 
| Others |
| ISRD | Institute for Small and Rural Districts
| Others |
| ISRD | Institute for Sustainable Regional Development
| Others |
| ISRD | Intelligence Surveillance and Reconnaissance Division
| Others |
| ISRD | Intelligence, Surveillance, and Reconnaissance Division
| Others |
| ISRD | International Self
| Others |
| ISRD | International Self Report Delinquency
| Others |
| ISRD | International Special Review District
| Others |
| ISRD | International Symposium on Reactor Dosimetry
| Others |