PSDB
| 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 |