| Abbreviation | Definition |
|---|---|
| RMCF | Right Move Chess Foundation, Inc., New York, New York |
| RMEF | Rocky Mountain Elk Foundation |
| RMEFI | Rocky Mountain Elk Foundation, Inc. |
| RMF | Ranger Memorial Foundation |
| RMF | Reggie McKenzie Foundation |
| RMF | Risk Management Foundation |
| RMFI | Reggie McKenzie Foundation, Inc. |
| RMH-AA | Ronald McDonald House of Ann Arbor |
| RMHC | Ronald McDonald House Charities |
| RMI | ROX35 Media, Inc. |
| RMI | ROX35 Media, Incorporated |
| RMJ | Richard Myles Johnson Foundation |
| RML | Henry J. Reilly Memorial Library |
| RMLSF | Henry J. Reilly Memorial Library and Scholarship Fund |
| RMS | Ratner, Miller, and Shafran Families Foundation |
| RMS | River Management Society |
| RMSA | Rocky Mountain Society of Aviculture |
| RMSA | Rocky Mountain Stroke Association |
| RN | River Network |
| RNF | Rural Network Foundation |