| Acronym | Definition |
|---|
| IGL➣Indraprastha Gas Limited (India) |
| IGL➣In-Game Leader |
| IGL➣Institute for Global Leadership (Tufts University; Medford, MA) |
| IGL➣Instituto Gregoriano de Lisboa (music school in Lisbon, Portugal) |
| IGL➣India Glycols Ltd. (petrochemical) |
| IGL➣Integrated Global Logistics (various locations) |
| IGL➣Intergeniculate Leaflet |
| IGL➣Intelligence Gain/Loss (US DoD) |
| IGL➣Ineos Group Limited (UK) |
| IGL➣India Gospel League |
| IGL➣Iron Glove League (gaming clan) |
| IGL➣Investors Guaranty Life Insurance Company (subsidiary of Farmers Insurance Group) |
| IGL➣Internal Guidance Line |
| IGL➣Interoperable Ground Data Link |