| Acronym | Definition |
|---|
| ECTM➣Entre Ciel Terre et Mer (French aerial photography company) |
| ECTM➣Engine Condition Trend Monitoring |
| ECTM➣Electronic Components, Technology and Materials (Delft University of Technology; Netherlands) |
| ECTM➣Expertises Contrôles Travaux Maritimes (French: Marine Works Controls Expertise) |
| ECTM➣European Conference of Transport Ministers |
| ECTM➣Electric City Trolley Museum (Scranton, PA) |
| ECTM➣Europejskie Centrum Turystyki Medycznej (Polish: European Centre for Medical Tourism) |