- DMSO stands for Dimethylsulfoxide
- DMSO stands for Defense Modeling and Simulation Office
- DMSO stands for Division Medical Supply Office
- DMSO stands for Des Moines Symphony Orchestra (Des Moines; IA)
- DMSO stands for Director of Major Staff Office (US DoD)
- DMSO stands for Dental Management Service Organization
- DMSO stands for Defense Materiels Systems Office
DMSO