| Abbreviation | Definition |
|---|---|
| LCNC | Lippincott Clinical Nursing Conference |
| LCWR | Leadership Conference of Women Religious |
| LDBC | Last Days Bible Conference |
| LDC | Life Discovery Conference |
| LEC | Leadership Education Conference |
| LEC | Lester Eastman Conference |
| LEC | Little East Conference |
| LECS | Lanka Exhibition Conference Services |
| LEOSS | IEEE Lasers & Electro-Optics Society Summer Topical Meeting |
| LETC | Ljubljana Empirical Trade Conference |
| LFA | IEEE Workshop on Languages For Automation |
| LGWC | Lake George Watershed Conference |
| LICS | Symposium on Logic In Computer Science |
| LIEC | Long Island Entrepreneurship Conference |
| LIFT | Long Island Forum for Technology |
| LILC | Latino Ivy League Conference |
| LILC | Long Island Library Conference |
| LIMA | Langkawi International Maritime and Aerospace Exhibition |
| LISN | Leadership In Support Oo Neighborhoods |
| LJWC | La Jolla Writers Conference |