CSDU
| Acronym | Definition |
|---|---|
| CSDU | Centre de Stockage des Déchets Ultimes (French: Ultimate Waste Storage Center) |
| CSDU | Constant Speed Drive Unit (aircraft) |
| CSDU | Cardiac Step Down Unit (heart care) |
| CSDU | Centro Studi Deflussi Urbani (Italian: Urban Hydraulics Research Center) |
| CSDU | Civil Society Development Union (Armenia) |
| CSDU | Cadaveric Sludge Dispenser Unit (band) |
| CSDU | Core Service Data Unit |
| CSDU | Column-Stabilized Drilling Unit (construction) |