- DSEN stands for Drug Safety and Effectiveness Network (Canada)
- DSEN stands for DEA (Drug Enforcement Administration) Sensitive
- DSEN stands for Dundee Social Enterprise Network (Dundee, Scotland, UK)
- DSEN stands for Datascension, Inc. (Las Vegas, NV)
- DSEN stands for Dual-Spaced Epithermal Neutron
DSEN