| Acronym | Definition |
|---|
| IOP➣Intensive Out Patient (treatment program) |
| IOP➣Institute Of Physics |
| IOP➣Intraocular Pressure |
| IOP➣Institute of Psychiatry |
| IOP➣Intensive Outpatient Program |
| IOP➣Intensive Outpatient Program (psychotherapy) |
| IOP➣Interoperability |
| IOP➣In Original Packaging |
| IOP➣Institute of Politics (Harvard University) |
| IOP➣Isle of Palms (South Carolina) |
| IOP➣Indirect Object Pronoun (education) |
| IOP➣Increased Intraocular Pressure |
| IOP➣Input Output Port |
| IOP➣Input Output Platform |
| IOP➣Interoperability Provider |
| IOP➣Input Output Processor |
| IOP➣Institute of Packaging (UK) |
| IOP➣Institute of Oriental Philosophy (Japan) |
| IOP➣International Outreach Program (various locations) |
| IOP➣Institute of Plumbing |
| IOP➣International Online Pharmacy |
| IOP➣In-Orbit Plane (US NASA) |
| IOP➣International Opportunities Program |
| IOP➣International Organisation of Palaeobotany |
| IOP➣Internal Operating Procedure |
| IOP➣Internal Occipital Protuberance (anatomy) |
| IOP➣Institute of Philosophy |
| IOP➣Intensive Operational Period |
| IOP➣International Organization of Psychophysiology (UN) |
| IOP➣Input/Output Package |
| IOP➣Institute of Paper |
| IOP➣Inherent Optical Property |
| IOP➣Innocent Owner/Operator Program |
| IOP➣Intensive Operating Period |
| IOP➣Internal Oral Presentation (examination) |
| IOP➣Institutional Operating Plan |
| IOP➣Intelligent Operator Panel (Siemens) |
| IOP➣Intense Observation Period |
| IOP➣Instrument of Power |
| IOP➣Increased Offertory Program (church offerings; various locations) |
| IOP➣Individual Oral Presentation (International Baccalaureate assignment) |
| IOP➣Input/Output Parameter |
| IOP➣Interim Operating Procedure |
| IOP➣Inanimate Objects Party |
| IOP➣Infrastructure Optimization Project |
| IOP➣Interface Operating Procedure |
| IOP➣Installation Operating Program |
| IOP➣Informational One-Pager |
| IOP➣Internal Operating Profit |
| IOP➣Item of Priority |
| IOP➣Intensive Observation/Observing Period |
| IOP➣Individual Owner's Plan (surveying; Canada) |
| IOP➣Information Operations Platform (US Air Force) |
| IOP➣Integrated Office Package |
| IOP➣Instrument Operating Procedure |