| Abbreviation | Definition |
|---|---|
| LLAC | Lake Lutheran Athletic Conference |
| LLTC | Language and Language Teaching Conference |
| LMC | Lancaster Mennonite Conference |
| LMCC | Library Marketing and Communications Conference |
| LNAC | Leyden Norwood Athletic Conference |
| LOAC | Local Online Advertising Conference |
| LOGIC | Symposium on LOGIC Programming |
| LOVC | Little Okaw Valley Conference |
| LPAC | Legal Profession Assistance Conference |
| LPC | Linux Plumbers Conference |
| LPCCC | Lake Placid Camp and Conference Center |
| LPCCC | Lake Placid Christian Conference Center |
| LPE | International Symposium on Low Power Electronics and Design |
| LPSC | Lunar and Planetary Science Conference |
| LRCC | Lutheran Retreats Camps and Conferences |
| LREC | Language Resource and Evaluation Conference |
| LREC | Language Resources and Evaluation Conference |
| LSC | Lone Star Conference |
| LSHS | Lee's Summit High School |
| LSW | Lee's Summit West |