CTSE
| Acronym | Definition |
|---|---|
| CTSE | Central Test Sire Evaluation (sheep breeding; Australia) |
| CTSE | Centro Tecnico-Scientifico Europeo (Italian: European Scientific and Technical Center; EU) |
| CTSE | Chicago, Terre Haute, and Southeastern Railroad |
| CTSE | Central Technical Support Facility |
| CTSE | Corps TOC (Tactical Operations Center) Support Element |
| CTSE | Classification for Transport Statistics in Europe |