Alphabetical Listing of Uncategorized Acronyms
- IFFN — Identification
- IFO — Identified Flying Object (see Also UFO)
- IFOR — UN Implementation Force -Institute For Operations Research – International Fellowship of Reconciliation
- IFOV — Instantaneous Field of View
- IFPI — International Federation of Phonographic Industries
- IFR — Instrument Flight Rules
- IFRB — International Frequency Registration Board
- IFV — Infantry Fighting Vehicle
- IG — Inspector General
- IG — Igbo Language (ISO 639-1 Code)
- IGS — International Ground Station
- IGY — International Geophysical Year
- IHH — Idiopathic Hypogonadotropic Hypogonadism
- IHO — International Hydrographic Organization
- IHR — Institute For Historical Review
- IHS — Institut Des Hautes ?tudes Scientifiques (French
- II — Sichuan Yi Language (ISO 639-1 Code)
- II — Two (in Roman Numerals)
- IICA — Inter-American Institute For Cooperation On Agriculture
- IIE — Innovative Interstellar Explorer
- III — Sichuan Yi Language (ISO 639-2 Code)
- III — Three (in Roman Numerals)
- IIRC — If I Recall/Remember Correctly
- IISS — International Institute For Strategic Studies
- IIT — Illinois Institute of Technology – Indian Institutes of Technology – Indiana Institute of Technology
- IJN — Imperial Japanese Navy (World War II)
- IJWP — Interim Joint Warfare Publication
- IK — Inupiaq Language (ISO 639-1 Code)
- IKEA — Ingvar Kamprad (the Company’s Founder)
- IKU — Inuktitut Language (ISO 639-2 Code)
- IL — Illinois (postal Symbol) – Israel (ISO 3166 Digram)
- ILC — International Law Commission – International Linear Collider
- ILDS — Improved Landmine Detection System
- ILE — Interlingue Language (ISO 639-2 Code)
- ILO — International Labour Organization
- ILRI — International Livestock Research Institute
- ILS — Israeli Shekel (ISO 4217 Currency Code)
- ILY — I Love You [pronounced ILL-LEE]
- IM — Isle of Man (FIPS 10-4 Territory Code) -Instant Message (internet Speech)
- IMA — Intermediate Maintenance Activity
- IMBD — International Migratory Bird Day
- IMDB — Internet Movie Database
- IMF — International Monetary Fund
- IMHO — In My Humble Opinion
- IML — International Mister Leather
- IMLAST — International Movement For Leisure Activities In Science And Technology – See MILSET
- IMNSHO — In My Not So Humble Opinion
- IMO — In My Opinion – International Maritime Organization
- IMPAC — International Merchant Purchase Authorization Card
- IMPACT — International Medical Products Anti-Counterfeiting Taskforce
- IMPATT — IMPact Avalanche Transit Time Diode
- IMPT — Institute of Maxillofacial Prosthetists And Technologists
- IMR — Inzhenernaya Mashina Razgrazhdeniya (Russian ?????????? ?????? ????????????
- IMRI — Industrial Membrane Research Institute – Information Management Research Institute – Institut Pour Le Management De La Recherche Et De L?innovation (French
- IMRL — Individual Material Readiness List
- IMRO — Irish Music Rights Organisation
- IMS — Information Management System – International Meat Secretariat – Ion Mobility Spectrometer
- IMSA — Illinois Mathematics And Science Academy – International Mind Sports Association – International Motor Sports Association
- IMT — Integrated Management Tool
- IMU — International Mathematical Union
- IN — India (FIPS 10-4 Country Code; ISO 3166 Digram) – Indiana (postal Symbol) – Infantry
- IN — Indium
- IN TRANS. — In Transitu (Latin
- INA — Interlingua Language (ISO 639-2 Code)
- INAS — International Near-Earth Asteroid Survey
- INC — Iglesia Ni Cristo (Filipino
- INCITS — InterNational Committee For Information Technology Standards
- IND — India (ISO 3166 Trigram)
- IND — Indonesian Language (ISO 639-2 Code)
- INDIGO — (U.S.) INtelligence DIvision Gaming Operation
- INFORMS — (U.S.) Institute For Operations Research And The Management Sciences
- INFOSEC — Information Security
- INLA — Irish National Liberation Army
- INMARSAT — International Maritime Satellite Organization
- INR — Indian Rupee (ISO 4217 Currency Code)
- INRI — Iesus Nazarenus Rex Iud?orum (Latin
- INRIA — Institut National De Recherche En Informatique Et En Automatique
- INSAR — Interferometric Synthetic Aperture Radar
- INST — Information Standards And Technology
- INTERFET — International Force For East Timor
- INTSUM — Intelligence Summary
- IO — British Indian Ocean Territory (ISO 3166 Digram; FIPS 10-4 Territory Code)
- IO — Ido Language (ISO 639-1 Code)
- IOC — Initial Operational Capability – Intergovernmental Oceanic Commission – International Olympic Committee – International Ornithological Congress
- IOM — Iowa
- IONA — Islands of The North Atlantic (alternate Name For Great Britain
- IOT — British Indian Ocean Territory (ISO 3166 Trigram)
- IOT&E — Integrated Operational Test And Evaluation
- IP — Clipperton Island (FIPS 10-4 Territory Code) -Initial Point – Intellectual Property – Internet Protocol
- IPA — India Pale Ale – International Phonetic Alphabet – Isopropyl Alcohol
- IPB — Intelligence Preparation of The Battlefield
- IPCC — Intergovernmental Panel On Climate Change
- IPK — Inupiaq Language (ISO 639-2 Code)
- IPL — Inferior Parietal Lobule
- IPN — Instytut Pamieci Narodowej (Polish
- IPO — Initial Public Offering
- IPR — In Progress Review – Intellectual Property Rights – Intelligence Production Requirement
- IPT — Integrated Product/Project Team
- IPTS — Institute For Prospective Technological Studies
- IPTV — Internet Protocol TeleVision