WSSC
| Acronym | Definition |
|---|---|
| WSSC | Washington Suburban Sanitary Commission |
| WSSC | Washington State Supreme Court (judiciary) |
| WSSC | Water Supply and Storage Company |
| WSSC | Web Services Secure Conversation (Oasis) |
| WSSC | Western States Sign Council (Phoenix, AZ) |
| WSSC | Weather Systems Support Cadre |
| WSSC | Weapon System Support Code |
| WSSC | Women for a Social Security Choice |
| WSSC | Wavelength Selective Switch Included (Siemens) |