PRSI
| Acronym | Definition |
|---|---|
| PRSI | Programmable Random Signal Interconnect |
| PRSI | Pay Related Social Insurance |
| PRSI | Public Relations Society of India |
| PRSI | Pasadena Refining System, Inc. (Pasadena, TX) |
| PRSI | Persatuan Renang Seluruh Indonesia (Indonesian: Indonesia Swimming Federation; Jakarta, Indonesia) |
| PRSI | Puerto Rico Stock Index |
| PRSI | Pacific Retirement Services, Inc. (Portland, OR) |
| PRSI | Pacific Region Security & Intelligence (Washington) |