| Acronym | Definition |
|---|
| SRI | Socially Responsible Investing |
| SRI | Stanford Research Institute (now called SRI International) |
| SRI | Silsoe Research Institute (UK) |
| SRI | Southwest Research Institute (San Antonio, Texas) |
| SRI | Scripps Research Institute |
| SRI | Southern Research Institute (University of Alabama at Birmingham) |
| SRI | Sunnybrook Research Institute (Sunnybrook Health Sciences Centre, Toronto, ON, Canada) |
| SRI | Scientific Research Institute (Menlo Park, CA) |
| SRI | Space Research Institute |
| SRI | Serotonin Reuptake Inhibitor |
| SRI | Siena Research Institute |
| SRI | Swiss Radio International |
| SRI | Supplier Registration Information |
| SRI | Steel Recycling Institute |
| SRI | Solar Reflectance Index |
| SRI | Serviciul Roman de Informatii (Romanian Intelligence Service) |
| SRI | Send Routing Information (cellular) |
| SRI | Systems Research Inc. |
| SRI | Socorro Rojo Internacional |
| SRI | Sacrum Romanum Imperium (Latin: Sacred Roman Empire, codices and manuscripts) |
| SRI | Self-Report Inventory |
| SRI | System Rice Intensification |
| SRI | Smarter Retailing Initiative (Microsoft Corp.) |
| SRI | Software Reuse Initiative |
| SRI | Survey Research Indonesia |
| SRI | Special Research Initiative |
| SRI | Signal Related Information (Signals Intelligence) |
| SRI | surveillance, reconnaissance, and intelligence (US Marine Corps) |
| SRI | Sasquatch Research Initiative |
| SRI | Student Radio Initiative |
| SRI | Soils Research Institute (Ghana) |
| SRI | Sensory Research Institute |
| SRI | Self-Referencing Interferometer |
| SRI | Safety Related Instrumentation |
| SRI | Source Route Indicator |
| SRI | SIP Relay Interface |
| SRI | Southern Rizal Institute (Pateros, Metro Manila, Philippines) |
| SRI | Storeroom Item |
| SRI | System Reliability Institute |
| SRI | Special Reporting Item |
| SRI | Software Risk Item (software quality assurance) |
| SRI | Standard/Standing Request for Information |
| SRI | Standby Request for Information |
| SRI | Selective Retention Indicator |
| SRI | Supply Requisition Inquiry |
| SRI | Steady Receive Indication |
| SRI | Snowy River Institute (Australia) |