Posted in Information Technology, Organizations, Schools & Education, Science DSSL stands for Department of Safety, Security and Liaison (South Africa) DSSL stands for Digital Security Systems Lab DSSL stands for Dvojezicna Srednja Sola Lendava (Slovenian: Lendava Bilingual High School; Lendava, Slovenia) DSSL stands for Distributed Systems Software Laboratory (University of Maryland) DSSL stands for Double Sided, Single Layer (DVDs) DSSL stands for Document-Style Semantics Specification Language (ISO) DSSL