BSS

BSS is a three-letter abbreviation that may refer to:

Institutions
* Bayridge Secondary School, Canada
* Bayview Secondary School, Canada
* Bishop Strachan School, Canada
* Bramalea Secondary School, Canada
* Blessed Sacrement School, Walpole, Massachusetts
* Blessed Sacrament School, Savannah, GeorgiaEntertainment
* Brave Saint Saturn, a band
* Broken Social Scene, a band
* Brain Salad Surgery, an album
* Best Selling Secrets, a sitcom

Telecommunications
* Base Station Subsystem, in mobile telephone networks
* Basic Service Set, in wireless LANs
* Boeing Satellite Systems, see: Boeing Satellite Development Center
* Broadcasting Satellite Service, in television

Computing
* .bss ("Block Started by Symbol"), in compilers and linkers
* Business Support Systems, software

Other
* Balanced Salt Solution, in chemistry
* Blind signal separation, in math and statistics
* Bang senseless, a gene of drosophila melanogaster
* Beck Scale for Suicide Ideation, a psychological test
* Biciklisticki Savez Srbije, the Cycling Federation of Serbia
* Bachelor of Social Science
* Bernard-Soulier syndrome, in medicine
* Baudhayana Shrauta Sutra, a Hindu text
* Bitter Sweet Symphony, a Verve song
* BSS Audio, manufacturer of professional audio signal processing hardware
* Broad Street station