Posted in Government & Military, Health & Medicine, Information Technology, Organizations DSSA stands for Domain-Specific Software Architecture (software components) DSSA stands for Duluth, South Shore, & Atlantic Railway (US and Canada) DSSA stands for Drivers Sound Stage Adjustment (advanced auto audio feature) DSSA stands for Direction du Service de Santé des Armées (French: Army Health Service Directorate; Benin) DSSA stands for Data Systems Technician Seaman Apprentice (US Navy Rating) DSSA stands for Dynamic Scalable Server Architecture DSSA stands for Division Santé-Social-Arts (French: Health and Social Arts Division; Switzerland)