BS, B.S., Bs or bs may refer to:
BSD licenses are a family of permissive free software licenses, imposing minimal restrictions on the use and distribution of covered software.
BSAVE and BLOAD are commands in many varieties of the BASIC programming language. BSAVE copies RAM to a binary file, and BLOAD copies the contents of the file to RAM.
The BSA A10 series was a range of 646 cc (39.4 cu in) air-cooled parallel twin motorcycles designed by Bert Hopwood and produced by Birmingham Small Arms Company at Small Heath, Birmingham from 1950 to 1963. The series was succeeded by the A65 unit construction models.
The BSA unit twins were a range of unit construction twin-cylinder motorcycles made by the Birmingham Small Arms Company (BSA) and aimed at the US market.
The Triumph Trident (or BSA Rocket 3) was a technically advanced, high-performance roadster (or standard) motorcycle made by Triumph Engineering and Birmingham Small Arms Company (BSA) from 1968 to 1975, and sold under both the Triumph and BSA marques.
The BSA Gold Star is a motorcycle made by BSA from 1938 to 1963. They were 350 cc and 500 cc single-cylinder four-stroke production motorcycles known for being among the fastest bikes of the 1950s.