| Abbreviation | Definition |
|---|---|
| LWF | Lake Winnipeg Foundation |
| LWFW | Living Water Foundation Worldwide |
| LWMF | Lindy Wright Memorial Foundation |
| LWMF | Lucille Willie Murphy Foundation |
| LYF | Legacy of Yogiji Foundation |
| LYRF | Lorenza Y Robinson Foundation |
| MAAF | Mid Atlantic Arts Foundation |
| MAAF | Mutual Amputee Aid Foundation |
| MAEF | Maryland Artists Equity Foundation |
| MAEF | Minnesota Academic Excellence Foundation (Saint Paul, MN) |
| MAEF | Mobile Area Education Foundation (Alabama) |
| MAF | Marciano Art Foundation |
| MAF | Michigan Accountancy Foundation |
| MAF | Michigan Architectural Foundation |
| MAFI | Medical Alert Foundation International |
| MAHF | Maghreb American Health Foundation |
| MAHF | Michigan Animal Health Foundation |
| MANF | Make a Noise Foundation |
| MAOF | Mexican American Opportunity Foundation |
| MARF | Meadville Area Recreation Foundation |