MSSD
| Acronym | Definition |
|---|---|
| MSSD | Model Secondary School for the Deaf (Washington, DC) |
| MSSD | Ministry of State for Social Development (Canada) |
| MSSD | Minimum Safe Separation Distance |
| MSSD | Mountain State Schoolbook Depository (Clearfield, UT) |
| MSSD | Mineral Springs School District (Mineral Springs, AR) |
| MSSD | Minimum Stopping Sight Distance (road design) |