| Acronym | Definition |
|---|
| SSOS➣Solid State Organ Systems (Virginia and Pennsylvania) |
| SSOS➣Single Source of Supply |
| SSOS➣Samuel Smith Oatmeal Stout (drink) |
| SSOS➣Short Stature-Obesity Syndrome |
| SSOS➣Symphonic Soul of the South (Southern HS Marching Band) |
| SSOS➣Sustainable Stand-Off Security |