| Acronym | Definition |
|---|
| RSF | RSF (Rudolph Steiner Foundation) Social Finance |
| RSF | Reporters Sans Frontières (French: Reporters Without Borders) |
| RSF | Reporteros Sin Fronteras (Spanish: Reporters Without Borders) |
| RSF | Russell Sage Foundation |
| RSF | Rancho Santa Fe (California) |
| RSF | Religious Society of Friends (Quakerism) |
| RSF | Right Said Fred (British band) |
| RSF | Roadway Safety Foundation |
| RSF | Recreational Sports Facility |
| RSF | Resource Selection Function (ecology) |
| RSF | Rudolf Steiner Foundation |
| RSF | Rough Stuff Fellowship (UK; est. 1955) |
| RSF | Royal Scots Fusiliers (Regiment of the British Army) |
| RSF | Reasonable Server Faces (Java open source web programming framework) |
| RSF | Royal Straight Flush (poker) |
| RSF | Rivista di Studi Fenici (Italian: Journal of Phoenician Studies) |
| RSF | Resposta Sem Franquia |
| RSF | Revue de la Stabilité Financière (French: Journal of Financial Stability) |
| RSF | Robert Schalkenbach Foundation (New York, NY) |
| RSF | Radio sans Frontière (French: Radio without Borders; radio station) |
| RSF | Répertoire de la Science Fiction (French science fiction blog) |
| RSF | Remote Sensing Facility |
| RSF | RuneScape Forums (gaming) |
| RSF | Rental Square Feet (architecture and real estate) |
| RSF | Referee Stopped Fight (boxing) |
| RSF | Random Space Function |
| RSF | Redneck Special Forces (humor) |
| RSF | Retail Stock Fund |
| RSF | Reduced Saturated Fat |
| RSF | Richmond Shakespeare Festival (Richmond, VA) |
| RSF | Requisition Status File |
| RSF | Renewable Solid Fuel |
| RSF | Residential Standards Forum |
| RSF | Resilient Sheet Flooring |
| RSF | Retail Square Feet |
| RSF | Red Strike Force (gaming clan) |
| RSF | Review and Sign-off Form |
| RSF | Radioactive-Power Systems Facility |
| RSF | Recherche Scientifique Francilienne (French: Francilienne Scientific Research) |
| RSF | Remote Site Facilities |
| RSF | Radical Skin Factor (dermatology) |
| RSF | Resort Service Fee |
| RSF | Réseaux Satellites de France (French: Satellite Networks in France) |
| RSF | rentable square feet |
| RSF | Residential Single Family (real estate) |
| RSF | Republican Sinn Fein |