| PSTM | Perceptual Short Term Memory 
| Others |
| PSTM | Phonological Short Term Memory
| Others |
| PSTM | Photon Scanning Tunneling
| Others |
| PSTM | Photon Scanning Tunneling Microscope
| Others |
| PSTM | Photon Scanning Tunneling Microscopes
| Others |
| PSTM | Photon Scanning Tunneling Microscopy
| Others |
| PSTM | Photon Scanning Tunnelling Microscope
| Others |
| PSTM | Piggy Saves The Market
| Others |
| PSTM | Plastic Surgery The Meeting
| Others |
| PSTM | Polskie Stowarzyszenie Techniki Magazynowej
| Others |
| PSTM | Polskiego Stowarzyszenia Techniki Magazynowej
| Others |
| PSTM | Pre Stack Time Migration
| Others |
| PSTM | Pre-Stack Time Migration
| Others |
| PSTM | Presidents Secretary Treasurer And Membership
| Others |
| PSTM | Public Safety Technology Modernization
| Others |
| PSTM | Public Sector Technology and Management
| Others |
| PSTM | Python software transactional memory
| Others |