| I/OP | Input/Outboard Profile  
| Technology, Transport |
| I/OP | Input/Output Processor
| Technology, Computing |
| IOP | Ilula Orphan Program
| Others |
| IOP | In Optometry topic
| Others |
| IOP | In-Orbit Plane
| Others |
| IOP | Inanimate Objects Party
| Others |
| IOP | Independent Olympic Participant
| Others |
| IOP | Independent Olympic Participants
| Others |
| IOP | Index Of Performance
| Others |
| IOP | Indian Offset Partner
| Others |
| IOP | Indirect Object Pronoun
| Others |
| IOP | Individual Oral Presentation
| Others |
| IOP | Industrial Opportunity Partners
| Others |
| IOP | Industrial Organizational Psychology
| Others |
| IOP | Industry Option Package
| Others |
| IOP | Infant Of Prague Catholic Parish
| Others |
| IOP | Informational One Pager
| Others |
| IOP | Input Output Platform
| Others |
| IOP | Input Output Port
| Others |
| IOP | Input Output Processor
| Others |
| IOP | Input/Output Port
| Others |
| IOP | Installed Optional Package
| Others |
| IOP | Instant Order Promissing
| Others |
| IOP | Institute of Packaging
| Others |
| IOP | INSTITUTE OF PACKAGING, PATNA
| Others |
| IOP | Institute Of Physics
| Others |
| IOP | Institute Of Politics
| Others |
| IOP | Institute Of Psychiatry
| Others |
| IOP | Institutional Operational Plan
| Others |
| IOP | Integrated Occupational Program
| Others |
| IOP | Integrated Oil Pan
| Others |
| IOP | Integrated Operation Plan
| Others |
| IOP | Integrated Operations Plan
| Others |
| IOP | Intensive Observation Period
| Others |
| IOP | Intensive Office Procedures
| Others |
| IOP | Intensive Operational Period
| Others |
| IOP | Intensive Out patient
| Others |
| IOP | Intensive Outpatient Program
| Others |
| IOP | Intensive Outpatient Program Intraocular Pressure
| Others |
| IOP | Intensive Outpatient Programs
| Others |
| IOP | Interface Operating Procedure
| Others |
| IOP | Interface Operating Procedures
| Others |
| IOP | Internal Operating Plan
| Others |
| IOP | Internal Operating Procedures
| Others |
| IOP | International Operations Personnel
| Others |
| IOP | International Organisation of Palaeobotany
| Others |
| IOP | International Organization of Paleobotany
| Others |
| IOP | International Organization of Psychophysiology
| Others |
| IOP | Internet Of Payments
| Others |
| IOP | Internet of People
| Others |
| IOP | Internet Of Printing
| Others |
| IOP | Internet Of Products
| Others |
| IOP | Internet Optimized Publicity
| Others |
| IOP | Interoperability Provider
| Others |
| IOP | Interstate Office Products
| Others |
| IOP | Intra Ocular Pressure
| Others |
| IOP | Intra Orifice Pressure
| Others |
| IOP | Intra-Ocular Pressure
| Others |
| IOP | Intracom Operational Procedure
| Others |
| IOP | Intraocular pressure
| Others |
| IOP | Intuit Online Payroll
| Others |
| IOP | Invasion Of Privacy
| Others |
| IOP | Ioma, Papua New Guinea
| Others |
| IOP | Irritating Other People
| Others |
| IOP | Isle Of Palms
| Others |
| IOP | Izu Oceanic Park
| Others |