SWC
- Adobe SWC file
- Amtrak
- Chicago
- Controller–area network
- Los Angeles
- Republic of Korea Army Special Warfare Command
- Sarah Wayne Callies
- Semiwadcutter
- Siemens Westinghouse Competition
- Simon Wiesenthal Center
- Sisseton Wahpeton College
- Solar Wind Composition Experiment
- South West Conference
- Southwest Chief
- Southwest Conference
- Southwestern College (disambiguation)
- Southwestern Conference (Ohio)
- Space Warfare Center
- Speedway World Cup
- Star Wars Celebration
- Star Wars Combine
- Stawell Airport
- Stillwater Mining Company
- Storage World Conference
- Strangers with Candy
- Winston Churchill School (disambiguation)