| Acronym | Definition |
|---|
| IP | Internet Protocol |
| IP | Intellectual Property |
| IP | Instructor Pilot |
| IP | Injured Person |
| IP | Internet Provider |
| IP | International Paper |
| IP | In Particular |
| IP | Information Protection |
| IP | Information Processing |
| IP | Industrial Property |
| IP | International Protection (CENELEC) |
| IP | Infrastructure Protection |
| IP | Image Processing |
| IP | Input |
| IP | In Progress |
| IP | In Person |
| IP | Interested Party |
| IP | Installation Procedure |
| IP | Improved Performance (M1IP upgraded M1 main battle tank) |
| IP | Information Policy |
| IP | In Position |
| IP | Innings Pitched (baseball) |
| IP | Industrial Park |
| IP | Industrial Policy |
| IP | Implementation Plan |
| IP | Industrial Production |
| IP | In Perspective (Stuyvesant High School student magazine, New York City) |
| IP | iPod (Apple) |
| IP | Income Protection (disability insurance) |
| IP | Industrial Protocol |
| IP | Institute of Physics |
| IP | Information Paper |
| IP | Instrument Panel |
| IP | Ipswich (postcode, United Kingdom) |
| IP | Integer Programming |
| IP | Ingress Protection (IEC Standards) |
| IP | Information Provider |
| IP | Interpersonal |
| IP | Industry Practice |
| IP | Innocence Project |
| IP | Internal Protocol |
| IP | Investment Program |
| IP | Instruction Pointer |
| IP | Information Professional |
| IP | International Partner |
| IP | Inpatient (healthcare and healthcare billing) |
| IP | Induced Polarization |
| IP | Infection Prevention |
| IP | Independence Party |
| IP | Initial Production |
| IP | Interface Program |
| IP | Immunoprecipitation |
| IP | Investment Portfolio |
| IP | Implementation Procedure |
| IP | Intraperitoneal (area within peritoneal cavity containing abdominal organs) |
| IP | International President |
| IP | Investment Promotion |
| IP | Individual Provider |
| IP | Iraqi Police |
| IP | Identity-Preserved (grains) |
| IP | Indiana Pacers |
| IP | initial position (US DoD) |
| IP | Issue Paper |
| IP | Institute of Petroleum |
| IP | Industry Promotion |
| IP | Initial Point |
| IP | Iberian Peninsula |
| IP | Integrated Process |
| IP | Integration Plan |
| IP | Interrupt Process (TELNET Protocol) |
| IP | Integrated Program(s) |
| IP | Improvement Plans (land development) |
| IP | Interphalangeal |
| IP | Inspection Procedures |
| IP | Installation Plan |
| IP | Information Publication |
| IP | Intersection Point |
| IP | Integrated Programme (Singapore education program) |
| IP | Intelligent Peripheral |
| IP | Intermediate Point |
| IP | Intercessory Prayer |
| IP | Intermediate Pressure |
| IP | Interstitial Pneumonia |
| IP | Ionization Potential |
| IP | Incontinentia Pigmenti |
| IP | Individual Protection |
| IP | Incentive Pay |
| IP | Ischemic Preconditioning |
| IP | Implementing Partner |
| IP | Index Pointer |
| IP | Integrated Packaging |
| IP | Industry Pack |
| IP | Institutional Plan |
| IP | Intensive Production |
| IP | Inspection Plan |
| IP | Injector Pump (diesel fuel systems) |
| IP | Internetworking Protocol (DEC) |
| IP | Indicator Panel |
| IP | Intestinal Permeability |
| IP | Idler Pulley |
| IP | Intelligence Processing |
| IP | Individual Psychology (Alfred Adler) |
| IP | Incineration Plant (waste management facility) |
| IP | Individual Permit |
| IP | Intoxicated Person (law enforcement) |
| IP | Ice Pellets |
| IP | Iron Project |
| IP | Internal Pilot (Unmanned Aerial Vehicles) |
| IP | Insured Property |
| IP | Illinois Power Company |
| IP | Issue Point (various uses) |
| IP | Isotope Production |
| IP | Imagery Processing |
| IP | Infection Preventionist |
| IP | Indian Pharmacopoeia |
| IP | Intelligence Problem |
| IP | Implementation of Plan |
| IP | Inward Processing |
| IP | Interproject |
| IP | Interpositive (photography) |
| IP | Interim Procedure |
| IP | Internal Publication |
| IP | Intermodulation Product |
| IP | Instruction Pamphlet |
| IP | International Pharmacopoeia |
| IP | Informational Program |
| IP | International Provisioning (Sprint) |
| IP | Isolated Personnel (Joint) |
| IP | Instrument Procedure (aviation) |
| IP | Itinerário Principal |
| IP | Intelligent Pig (pipeline industry) |
| IP | Interactive Processor |
| IP | Interrupt Priority Register (Intel 8051 Microcontroller register) |
| IP | Indian Posse (prison gang) |
| IP | Initial Pressing |
| IP | Indexed Price |
| IP | Isolated Platform |
| IP | Indigenous Personnel |
| IP | Intelligence Plot |
| IP | Inter Positive (cinema materials products) |
| IP | Irresistible Poison (fanfiction) |
| IP | Intermediate Processor |
| IP | Information Plaque |
| IP | Instruction Plate |
| IP | Identification of Position |
| IP | Inhalable Particle |
| IP | Infantry Portal (Natural Selection computer game) |
| IP | Immersible Pump |
| IP | Irish Pennant (Navy slang for loose strings on a uniform) |
| IP | Iniciació a la Programació (Polythecnic University of Catalonia course) |
| IP | Intelligence Peripheral |
| IP | Immediate Past Office (except National Commodore) |
| IP | ISDN Access Port (ITU-T) |
| IP | Imagery Analysis Paper (NIMA) |
| IP | Inspector of Penitentiary |
| IP | Instituti I Pyjeve (Albanian: Forest and Pasturage Institute) |
| IP | Insolvency Petition |