| Abbreviation | Definition |
|---|---|
| LHAF | Lotus Humanitarian Aid Foundation |
| LHF | Living Heart Foundation |
| LHF | London Housing Foundation |
| LICF | Long Island Community Foundation |
| LIFI | Life Impact Foundation International |
| LINF | Lundbeck International Neuroscience Foundation |
| LKSF | Li Ka Shing Foundation (Hong Kong) |
| LLBF | Live Like Brent Foundation |
| LLCF | Lois Lenski Covey Foundation |
| LLCF | Love Light Compassion Foundation |
| LLF | Leukemia and Lymphoma Foundation |
| LLF | Little Lighthouse Foundation |
| LLF | Living Legacy Foundation |
| LLF | Liz Logelin Foundation |
| LLGAF | Leslie/Lohman Gay Art Foundation (New York) |
| LLSF | Living Life Source Foundation |
| LLTNT | Live Like There's No Tomorrow |
| LMAF | La Mesa Arts Foundation |
| LMCF | Live Music Capital Foundation |
| LMCF | Lord Mayors Charitable Foundation |