| Abbreviation | Definition |
|---|---|
| ILDC | International Lightning Detection Conference |
| ILDC | Iran Lighting Design conference |
| ILEC | International Legal Ethics Conference |
| ILLC | Indiana Latino Leadership Conference |
| ILO | International Labour Organisation |
| ILO | International Labour Organization |
| ILRC | International Laser Radar Conference |
| ILSC | International Language Services Conference |
| ILSC | International Laser Safety Conference |
| ILTC | International Law and Trade Conference |
| ILTC | International Leadership Training Conference |
| ILYC | International Lutheran Youth Conference |
| IMAC | International Conference on Image Management And Communications |
| IMAC | International Modal Analysis Conference |
| IMBC | Inaxxs Music Business Conference |
| IMBC | International Marina and Boatyard Conference |
| IMBC | International Marina Boatyard Conference |
| IMBC | International Marine Biotechnology Conference |
| IMBEX | International Men's and Boy's wear Exposition |
| IMC | IEEE International Workshop on Intelligent Motion Control |