SBS (plural SBSs)
- (pathology) Initialism of sick building syndrome, health effects experienced by building occupants that appear to be linked to time spent in a building.
- (pathology) Initialism of shaken baby syndrome.
- Singapore Bus Service
- Special Broadcasting Service (AU)
- Initialism of Special Boat Service, an elite unit of the British Royal Marines, similar to the SAS but operating in a naval environment.