| Acronym | Definition |
|---|
| WSSO➣Workstation Single Sign on |
| WSSO➣Web Single Sign On |
| WSSO➣West Shore Symphony Orchestra |
| WSSO➣Women's Studies Student Organization (University of Alabama) |
| WSSO➣Web Self Service Option |
| WSSO➣Waste Storage and Shipping Operations |
| WSSO➣Weapon System Support Officer |
| WSSO➣Wing Special Services Officer (US AFROTC) |
| WSSO➣Washington State Specific Objective |
| WSSO➣Washington State Special Olympics |
| WSSO➣Western Software Support Office (US Army) |
| WSSO➣World Scout Security Organisation |
| WSSO➣Women Studies Student Organization (University of Georgia) |