QDU
| Acronym | Definition |
|---|---|
| QDU | Queensland Debating Union (Australian Debating Federation; Toowong, Queensland, Australia) |
| QDU | Quigley Down Under (film) |
| QDU | Quantization Distortion Units |
| QDU | Dusseldorf, Germany - Main Train Station (Airport Code) |
| QDU | Quick Deposit Unit (banking) |