SWD may refer to:
- Dragunov sniper rifle (Polish designation SWD)
- Subject Headings Authority File (Schlagwortnormdatei), a German controlled-vocabulary system for subject indexing
- Southern Winds Airlines
- Serial Wire Debug
- Sukiyaki Western Django, a film
- Southwest DeKalb High School
- Spanish Water Dog, a breed of dog
- Stockton, Whatley, Davin & Co., a mortgage banking, real estate & insurance firm in Jacksonville, Florida
- Swimming with Dolphins, a synthpop band from Minnesota, United States of America