| Acronym | Definition |
|---|
| SPAC | Signal Processing and Communications (laboratory; various locations) |
| SPAC | Saratoga Performing Arts Center (New York) |
| SPAC | Sustainable Production and Consumption |
| SPAC | South Pacific and Caribbean |
| SPAC | Special Purpose Acquisition Company |
| SPAC | Sovereign Performing Arts Center (Reading, PA) |
| SPAC | Service Provider Action Council |
| SPAC | State Public Affairs Committee |
| SPAC | Sherwood Park Alliance Church (Alberta, Canada) |
| SPAC | Student Professional Awareness Conference |
| SPAC | Soil Plant Atmosphere Continuum |
| SPAC | Student Programs and Activities Center (University of California Davis) |
| SPAC | Saint Pol Athletic Club |
| SPAC | Senior Police Administration Course (Canada) |
| SPAC | Southern Proposal Accents Conference (annual) |
| SPAC | Sports Properties Acquisition Corporation |
| SPAC | Sentencing and Policy Advisory Commission (North Carolina) |
| SPAC | Stevens Pass Alpine Club (Everett, WA) |
| SPAC | Student Political Action Committee |
| SPAC | Single Phase Alternating Current |
| SPAC | Separate Protection At Connection |
| SPAC | Signal Processor And Conditioner |
| SPAC | Standards, Practices, and Administrative Controls |