- IAC Full Form – Internal Acoustic Canal
- IAC Full Form – International Administration Centre
- IAS Full Form – Indian Administrative Service
- IATA Full Form – International Air Transport Association
- IB Full Form – Intelligence Bureau
- IBM Full Form – International Business Machines
- IBPS Full Form – Institute of Banking Personnel Selection
- IC Full Form – Integrated Circuit
- ICAR Full Form – Indian Council of Agricultural Research
- ICC Full Form – International Cricket Council
- ICD Full Form – Implantable Cardioverter-Defibrillator (ICD)
- ICDS Full Form – Integrated Child Development Services
- ICICI Full Form – Credit and Investment Corporation of India
- ICMR Full Form – Indian Council of Medical Research
- ICRA Full Form – Investment Information and Credit Rating Agency
- ICSE Full Form – Indian Certificate of Secondary Education
- ICT Full Form – Information and Communications Technology
- ICU Full Form – Intensive Care Unit
- ICWA Full Form – Institute of Cost & Works Accountants of India, Indian Child Welfare Act
- ID Full Form – Identity Document
- IDBI Full Form – Industrial Development Bank of India
- IDE Full-Form – Integrated Development Environment & Integrated Drive Electronics
- IEC Full Form – International Electrotechnical Commission
- IED Full Form – Improvised Explosive Device
- IEEE Full Form – Institute of Electrical and Electronics Engineers
- IELTS Full Form – International English Language Testing System
- IES Full Form – Indian Engineering Services
- IDFC Full Form – Infrastructure Development Finance Company
- IFFCO Full Form – Indian Farmers Fertilizer Cooperative Limited
- IFS Full Form – Indian Foreign Service
A to Z Full Form List
- IFSC Full Form – Indian Financial System Code
- IG Full Form – Inspector General of Police
- IGST Full Form – Integrated Goods and Services Tax
- IIFL Full Form – India Infoline Finance Limited
- IIT Full Form – Indian Institute of Technology
- IKR Full Form – I know, Right?
- IL&FS Full-Form – Infrastructure Leasing & Financial Services
- IMA Full Form – Indian Military Academy & Indian Medical Association
- IMAO Full Form – In My Arrogant Opinion
- IMDb Full Form – Internet Movie Database
- IMEI Full Form – International Mobile Equipment Identity
- IMF Full Form – International Monetary Fund
- IMO Full Form – In My Opinion, & International Maritime Organization
- INDIA Full-Form – No, but can be termed as Independent National Democratic Intelligent Area
- INR Full Form – Indian Rupee
- INS Full Form – Indian Navy Ship
- INTERNET Full Form – Interconnected Network
- IOC Full Form – International Olympic Committee
- iOS Full Form – iPhone Operating System
- IPC Full Form – Interprocess Communication
- IPCC Full Form – Integrated Professional Competence Course
- IP Full Form – Internet Protocol
- IPI Full Form – International Press Institute
- IPL Full Form – Indian Premier League
- IPO Full Form – Initial Public Offering
- IPS Full Form – Indian Police Service, In-Plane Switching, Intrusion Prevention System
- IQ Full Form – Intelligence Quotient
- IRCTC Full Form – Indian Railways Catering and Tourism Corporation
- IRDA Full Form – Insurance Regulatory and Development Authority & Infrared DATA Association
- IRDP Full Form – Integrated Rural Development Programme
- IRS Full Form – Indian Revenue Service
- ISC Full Form – Indian School Certificate
- ISD Full Form – International Subscriber Dialing
- ISI Full Form – Indian Standards Institute
- ISKCON Full Form – International Society for Krishna Consciousness
- ISO Full Form – International Organization for Standardization
- ISP Full Form – Internet Service Provider
- ISRO Full Form – Indian Space Research Organization
- ITBP Full Form – Indo-Tibetan Border Police
- ITC Full Form – Indian Tobacco Company, International Trade Center, Independent Telephone Company
- ITES Full Form – Information Technology Enabled Services
- IT Full Form – Information Technology & Income Tax
- ITP Full Form – Idiopathic Thrombocytopenic Purpura
- ITI Full Form – Industrial Training Institute
- ITIL Full Form – Information Technology Infrastructure Library
- IUCN Full Form – International Union for Conservation of Nature
- IUPAC Full Form – International Union of Pure and Applied Chemistry
- IVF Full Form – IN Vitro Fertilization
- IVR Full Form – Interactive Voice Response