| Abbreviation | Definition |
|---|---|
| IGTS | Innovative Global Technology Software |
| IIA | Information Industry Association |
| IIA | Information Interchange Architecture |
| IISL | Indian Infotech and Software Ltd |
| IISP | Interim Interswitch Signalling Protocol |
| IISPL | Indian Institute of Software Programming Language |
| IIST | International Institute for Software Testing |
| ILE | Integrated Language Environment |
| ILE | Integrated Link Engine |
| ILF | Integrating Logical Function |
| ILMS | Integrated Library Management Software |
| ILP | Inductive Logic Programming |
| ILP | integer linear programming |
| ILWIS | Integrated Land and Water Information System |
| IM | In The Module |
| IM | Instant Messanger |
| IMACD | Installations, Moves, Adds, Changes, Disposition |
| IMARS | Integrated Mission Avionics & Reconfiguration Software |
| IMARS | Integrated Mission Avionics Reconfiguration Software |
| IMCB | Institute of Medical Coding and Billing |