| Acronym | Definition |
|---|
| PSDB➣Partido da Social Democracia Brasileira (Brazilian Social Democracy Party) |
| PSDB➣Police Scientific Development Branch |
| PSDB➣Partido Social Democratico Brasileiro (Portuguese: Brazilian Social Democratic Party; Brazil) |
| PSDB➣Pyramid Servings Database |
| PSDB➣Power Supply Distribution Board |
| PSDB➣Perceived Situation Database |