| Acronym | Definition |
|---|
| RSRF➣Rett Syndrome Research Foundation (Since 1999; Cincinnati, Ohio) |
| RSRF➣Revenue Sharing Reserve Fund |
| RSRF➣Relative Spectral Response Function (astronomy) |
| RSRF➣Revenue Shortfall Reserve Fund (various states) |
| RSRF➣Rival States, Rival Firms (book; Cambridge University Press) |
| RSRF➣Reaction of Spontaneous Rosette Formation (immunology) |