| Abbreviation | Definition |
|---|---|
| LIMA | Low Investment Mound Aces |
| LISC | Little Illini Soccer Club |
| LIT | Legends In Time |
| LIYC | Lido Isle Yacht Club |
| LIYC | Long Island Yacht Club |
| LJ | Line Judge |
| LK | Lacy Knicks |
| LKD | Left Knuckles Down |
| LKS | League of Kentucky Sportsmen |
| LKU | Left Knuckles Up |
| LLB | Little League Baseball |
| LLBA | Lady Lions Basketball Association |
| LLBA | Land of Lakes Bowfishing Association |
| LLBB | Little League Baseball |
| LLBI | Little League Baseball Incorporated |
| LLBJ | Lucky Ladies BlackJack |
| LLBK | Longer Life Baik Kit |
| LLBM | Lay Lake BassMasters |
| LLC | Luxury Lightweight Camping |
| LLDC | Lost Lake Duck Club |