DQB
| Acronym | Definition |
|---|---|
| DQB | Dragon Quest Builders (gaming) |
| DQB | Detroit Quality Brush (Detroit, MI) |
| DQB | Deutsche Gesellschaft für Qualifizierung und Bewertung GmbH (German: German Society for Training and Assessment GmbH) |
| DQB | Dutch QSL Bureau (ham radio office; est. 1929; Arnhem, Netherlands) |
| DQB | Deal Qualification Board (Germany) |
| DQB | Dynamic Quadrature Booster |