| ISPS | Illinois Society of Plastic Surgeons 
| Others |
| ISPS | In Seat Power Supply
| Others |
| ISPS | Information Storage And
| Others |
| ISPS | Information Storage and Processing Systems
| Others |
| ISPS | Information Storage Process Systems
| Others |
| ISPS | Information Storage Processing Systems
| Others |
| ISPS | Innovative Splashback Polymer Systems
| Others |
| ISPS | Innovative Splashbacks Polymer Systems
| Others |
| ISPS | Input to State Practical Stability
| Others |
| ISPS | Institute for Strategic Policy Solutions
| Others |
| ISPS | Institute of Social Protection and Solidarity
| Others |
| ISPS | Institution for Social and Policy Studies
| Others |
| ISPS | Integrated Service Programming Server
| Others |
| ISPS | International Ship and Port Security
| Others |
| ISPS | International Ships and Port Security
| Others |
| ISPS | International Shogi Popularization Society
| Others |
| ISPS | International Slow Pitch Softball
| Others |
| ISPS | International Society for PSychological and social
| Others |
| ISPS | International Society of Pituitary Surgeons
| Others |
| ISPS | International Society of Police Surgeons
| Others |
| ISPS | International Sports Promotion
| Others |
| ISPS | International Sports Promotion Society
| Others |
| ISPS | Internet Service Providers These
| Others |
| ISPS | Ion Sphere Particles Sequencing
| Others |
| ISPS | Irish Smashing Pumpkins Site
| Others |
| ISPS | The International School of Port of Spain
| Others |