| Abbreviation | Definition |
|---|---|
| LIDC | London International Development Centre |
| LIDER | Lasallian Institute for Development and Educational Research |
| LIDER | Latino Institute for Development Education Responsibility |
| LIDTTT | Low Impact Development Treatment Train Tool |
| LIFT | Landscape Investment and Finance Toolkit |
| LIPD | Leinster Institute of Professional Development |
| LISD | Liechtenstein Institute for Strategic Development |
| LISW | Listing In Sewage Weeds |
| LLD | Lodge Leadership Development |
| LLDA | Laguna Lake Development Authority |
| LLDC | Lay Leadership Development Committee |
| LLDC | Lodge Leadership Development Conference |
| LLDC | London Legacy Development Corporation |
| LLDP | Latino Leadership Development Program |
| LLDP | Lifelong Learning Development Plan |
| LLIN | Long-Lasting Insecticide-treated Nets |
| LLIN | Long-lasting insecticide-treated nets |
| LLSD | Language Learning and Skills Development |
| LMDA | Lake Mainit Development Alliance |
| LMDC | Laser Motion Development Company |