| Acronym | Definition |
|---|
| IGN | Ignored (Status) |
| IGN | Ignition |
| IGN | Institut Geographique National |
| IGN | Instituto Geografico Nacional (Spain) |
| IGN | I Got Nothing |
| IGN | Internode Games Network |
| IGN | Ignore |
| IGN | Imagine Games Network |
| IGN | In-Game Name (gaming) |
| IGN | Irish Grand National (horses; Ireland) |
| IGN | Internationalen Gesellschaft für Nutztierhaltung (German: International Society of Livestock Husbandry) |
| IGN | IBM Global Network |
| IGN | Internet Gaming Network |
| IGN | Imagination Network (formerly The Sierra Network) |
| IGN | Internode Games Network (gaming community) |
| IGN | International Go Newsletter (gaming) |
| IGN | International Gaming News (Ign.com) |
| IGN | Internet Gaming News |
| IGN | International Great Northern Railroad Company |
| IGN | Internet Group Names |
| IGN | International Gaming Network, Inc (website) |
| IGN | Insider Gaming News |