| 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) |