| Abbreviation | Definition |
|---|---|
| LHTV | Lernout and Hauspie (Text-to-speech voices for Microsoft Windows) |
| LI | Line Indent |
| LI | Line Insertion |
| LI | Log In |
| LIB | Latest Init Binder |
| LIC | License Internal Code |
| LIC | Line Interface Computer |
| LIDS | Large Interactive Display System |
| LIFO | Last In, First Out |
| LIFT | License Information For Trading |
| Li-ion | Lithium-ion rechargeable battery |
| LILO | Last In, Last Out |
| LILO | Linux Loader |
| LIM | Logical Information Machine |
| LIM-EMS | Lotus Intel Microsoft EMS |
| Linus | see Linux |
| LINUX | Linus Torvald's UNIX |
| LIO | Line Input/ Output |
| LIOCS | Logical Input/Output Control System |
| LIS | Library Information System |