| Acronym | Definition |
|---|
| IG➣Instagram |
| IG➣Interest Group |
| IG➣I Guess |
| IG➣In Game (online gaming) |
| IG➣Inspector General |
| IG➣Ignore |
| IG➣Installation Guide |
| IG➣Implementation Guide |
| IG➣Iron Golem (gaming) |
| IG➣Immunoglobulin |
| IG➣Investors Group |
| IG➣Ilford (postcode, United Kingdom) |
| IG➣Information Governance (various organizations) |
| IG➣Insulating Glass |
| IG➣Igloo (pressurized and thermally controlled environment for Spacelab pallet subsystems) |
| IG➣Italian Greyhound |
| IG➣iGoogle (personalized Google homepage) |
| IG➣Industriegewerkschaft (Industrial Labor Union) |
| IG➣Immune Globulin |
| IG➣Investment Grade |
| IG➣Independent Group (various organizations) |
| IG➣Index Glycémique (French: Glycemic Index) |
| IG➣Infidelguy (website) |
| IG➣Instituto Geofísico |
| IG➣Imperial Guard (game) |
| IG➣Intelligence Group |
| IG➣Image Generator |
| IG➣Inherently Governmental |
| IG➣Irish Guards (A British Regiment) |
| IG➣Intra-Gastric (healthcare) |
| IG➣Inspector Gadget (cartoon) |
| IG➣International Ground (commerical carriage modality; FedEx) |
| IG➣Islamic Group |
| IG➣Inspection Générale (French: General Inspectorate) |
| IG➣Intrinsic Gettering |
| IG➣Infogrames (European software company) |
| IG➣Inscriptiones Graecae (definitive collection of ancient manuscripts) |
| IG➣Interactive Graphics |
| IG➣Isolated Ground |
| IG➣Instructor Guide |
| IG➣Infinite Green (Internet radio) |
| IG➣Interglobal |
| IG➣Income Generation |
| IG➣Institute of Genetics (Canada) |
| IG➣Interagency Group |
| IG➣Intern Geologist (professional status) |
| IG➣Induction Generator |
| IG➣Imperial Gallon |
| IG➣Interface Group |
| IG➣Inertial Guidance |
| IG➣IndyGo (mass transit company) |
| IG➣Inspecciones Globales (Spanish: Global Inspections; Guatemala) |
| IG➣Inner Guard (Masonry) |
| IG➣Interdepartmental Group |
| IG➣Information Granulation |
| IG➣Index-Linked Gilts (finance) |
| IG➣Indiangrass (botany) |
| IG➣Im Generalstab (German: General-Staff Member) |
| IG➣Interoperability Group |
| IG➣Instructor in Gunnery (Canadian and British Military) |
| IG➣Inspectoría General (Guatemala special police division) |
| IG➣Interglide (Shimano Chain and Cogs) |
| IG➣Inverse Gain |
| IG➣Imperial Games (gaming fansite network) |
| IG➣InterGOV International |
| IG➣Interconnecting Group |
| IG➣Illumined Gaming (message board) |
| IG➣Inwent Germany |