| Acronym | Definition |
|---|
| RSW | Registered Social Worker |
| RSW | Resistance Spot Welding |
| RSW | Renegade Soundwave (band) |
| RSW | Refrigerated Seawater (fishing industry) |
| RSW | Reardon Smith Whittaker (business development consultancy) |
| RSW | Royal Scottish Society of Painters in Watercolour |
| RSW | Removable Spillway Weir |
| RSW | Fort Myers, FL, USA - Regional Southwest Airport (Airport Code) |
| RSW | Registered Specification Writer (construction) |
| RSW | Residential Solid Waste |
| RSW | Roofing, Siding, and Windows |
| RSW | Richmond Symphonic Winds (Richmond, VA) |
| RSW | Rama Swiss Watch |
| RSW | Rheinische Spritzguss-Werk (German injection molding company) |
| RSW | Ruby Stein Wagner (Canada) |
| RSW | RuneScape Wiki (gaming website) |
| RSW | Raleigh Small Wheel (bicycle) |
| RSW | Reduced Surface Wave (antenna type) |
| RSW | Roy Suryo Watch (website) |
| RSW | Recurrent Sliding Windows |
| RSW | Realistic Sparring Weapon |
| RSW | Ridgeology Science Workshop |
| RSW | Rosa String Works (Missouri) |
| RSW | Radiation Shielding Window (nuclear engineering) |
| RSW | Royal Society of Watercolorists (UK) |
| RSW | Read Stop Write (writing technique) |
| RSW | Recruitment South West Ltd |