- DTDM stands for Dithiodimorpholine (chemical agent)
- DTDM stands for Do The Damn Mission
- DTDM stands for Deterministic Time Division Multiplexing
- DTDM stands for Digital Terminal Data Module
- DTDM stands for Database Technologies for Data Mining (workshop)
- DTDM stands for Distributed Team Decision Making (US NASA)
DTDM