| Acronym | Definition |
|---|
| GSSP➣Ghana Strategy Support Program |
| GSSP➣Global Boundary Stratotype Sections and Points |
| GSSP➣Generally-Accepted System Security Principles (NSSOG) |
| GSSP➣Golden State Star Party |
| GSSP➣Graduate Student Support Plan (various universities) |
| GSSP➣Graphical State Space Programming (robot programming) |
| GSSP➣Gifted Student Services Plan (Kentucky Department of Education) |
| GSSP➣Groupe Spécial de la Sécurité Présidentielle (French: Special Presidential Security Group; Democratic Republic of Congo) |
| GSSP➣Global System Service Provider |
| GSSP➣Gobal Standard Section and Point |
| GSSP➣Gorilla Species Survival Plan |