OSSM

AcronymDefinition
OSSMOklahoma School of Science and Mathematics
OSSMOn-Demand, Self-Service, Scalable, Measurable (cloud computing)
OSSMOil Spill Simulation Model
OSSMOne Sprint Systems Management
OSSMOpen System Support Matrix
OSSMOrganization of Social Studies Majors (University of the Philippines Diliman)
OSSMOrthodontic Society of Serbia and Montenegro