| PTRS | Pacific Theater Requirements System 
| Others |
| PTRS | Paris Tuning and Racing Show
| Others |
| PTRS | Penetration Technique Research Site
| Others |
| PTRS | Pennsylvania Therapeutic Recreation Society
| Others |
| PTRS | Personal Trust Reporting Services
| Others |
| PTRS | Phase Tracking Reference Signal
| Others |
| PTRS | Philadelphia Theatre Research Symposium
| Others |
| PTRS | Physical Therapy Rehab Science
| Others |
| PTRS | Physical Therapy Rehab Specialists
| Others |
| PTRS | Physical Therapy Rehabilitation Science
| Others |
| PTRS | Portable Telemetry Receiving System
| Others |
| PTRS | Portable Temporary Rumble Strips
| Others |
| PTRS | Post Traumatic Relationship Syndrome
| Others |
| PTRS | Probability of Technical and Regulatory Success
| Others |
| PTRS | Probation Trust Rating System
| Others |
| PTRS | Professional Therapy and Rehab Services
| Others |
| PTRS | Program Tracking and Reporting Subsystem
| Others |
| PTRS | Protivo Tankovoe Ruhze Sistemy
| Others |
| PTRS | Protivo Tankovoye Ruzhyo Simonova
| Others |
| PTRS | Psychological Trauma Recovery Service
| Others |