BSSO

AcronymDefinition
BSSOBritish Services Security Organisation (UK)
BSSOBritish Scooter Sport Organisation (UK)
BSSOBuilding Science Specialist of Ontario (Ontario Building Envelope Council; Canada)
BSSOBig Sounds Society Orchestra (Japan)
BSSOBirmingham Schools Symphony Orchestra (Birmingham, England, UK)
BSSOBilateral Sagittal Split Osteotomy