Posted in Government & Military, Information Technology, Organizations, Science DSSM stands for Decontamination System for Sensitive Material (Kaercher Futuretech; Germany) DSSM stands for Defense Superior Service Medal DSSM stands for Dansk Selskab for Søvnmedicin (Danish: Danish Society of Sleep Medicine) DSSM stands for Digital Spectral Satellite Map DSSM stands for Direct Sputum Smear Microscopy (diagnostic test) DSSM stands for Design for Six Sigma Manufacturing DSSM stands for Data Standards and Structures Manual