| Acronym | Definition |
|---|
| SMPA➣Switch-Mode Power Amplifier |
| SMPA➣School of Media and Public Affairs (George Washington University; Washington, DC) |
| SMPA➣Santa Monica Pier Aquarium (Santa Monica, CA) |
| SMPA➣Suisun Marsh Preservation Agreement |
| SMPA➣Sense-Model-Plan-Act (intelligence paradigm) |
| SMPA➣Social Media Professionals Association |
| SMPA➣Santa Monica Protective Association (California) |
| SMPA➣Stacked Microchip Patch Array |