| Acronym | Definition |
|---|
| IISP➣Institute of Information Security Professionals |
| IISP➣Information Infrastructure Standards Panel (ANSI) |
| IISP➣Interim Interswitch Signaling Protocol |
| IISP➣International Institute for Software Process (Golden Valley, MN) |
| IISP➣Investigator-Initiated Studies Program |
| IISP➣Internet Infrastructure Service Provider |
| IISP➣Input Invalid Syntax or Punctuation |
| IISP➣Internet Information Searcher Professional |
| IISP➣Immunization Improvement Spread Project |