Posted in Business & Finance, Government & Military, Information Technology, Organizations, Schools & Education DMSS stands for Defense Medical Surveillance System DMSS stands for Distributed Mass Storage System DMSS stands for Djibouti Maritime Security Services (Djibouti) DMSS stands for Decision Making Support System (computing) DMSS stands for Dalhousie Medical Student Society (Dalhousie University; Canada) DMSS stands for Deployable Mission Support System (cyber security) DMSS stands for Dual Mode Subscriber Software DMSS stands for Digital Mass Storage System DMSS stands for Distribution, Marketing, Sales, and Service DMSS