| Acronym | Definition |
|---|
| IGR➣Internally Generated Revenue |
| IGR➣Insect Growth Regulator |
| IGR➣Institut Gustave-Roussy (French cancer institute) |
| IGR➣Intelligenter Generatorregelung |
| IGR➣Internal Gas Recirculation |
| IGR➣Information Gain Ratio |
| IGR➣Intergovernmental Review |
| IGR➣Intergenic Region (genetics) |
| IGR➣Intergovernmental Revenue |
| IGR➣In Game Reset (consoles) |
| IGR➣Industry-Government Relations |
| IGR➣Internet Game Room |
| IGR➣Indiana Guard Reserve |
| IGR➣Internal Growth Rate |
| IGR➣Iguazu, Misiones, Argentina - Iguazu International (Airport Code) |
| IGR➣Intergroup Representative |
| IGR➣Interactive Grand Rounds |
| IGR➣International Gas Report (publication; Platts) |
| IGR➣International Government Relations (Group) |
| IGR➣Insulated Gate Rectifier |
| IGR➣Inverted GPS Range |
| IGR➣Implied Growth Rate |
| IGR➣Investment Grade Rating |
| IGR➣Internet Gateway Router (computer networking) |
| IGR➣Institute of Genome Research |
| IGR➣Inter Galactic Republic (fanfiction) |