| Acronym | Definition |
|---|
| SPST➣Single Pole, Single Throw (type of electrical switch) |
| SPST➣Security Policy Selection Table |
| SPST➣Saint Paul School of Theology (Kansas City, MO) |
| SPST➣Societe pour la Promotion de la Science et de la Technologie (Montreal, Canada) |
| SPST➣Same Place Same Time |
| SPST➣Space Propulsion Synergy Team (US NASA; volunteer support) |
| SPST➣Support Program Support Team (US DoD) |
| SPST➣Senior Public Safety Telecommunicator |
| SPST➣Six Pieds Sous Terre (French: Six Feet Under) |