BS, B.S., Bs or bs may refer to:
Young Boys of Bern is a Swiss sports club based in the capital city Bern. It is widely referred to as Young Boys, or as Young Boys Bern abroad, and is abbreviated to YB (German pronunciation: [ˈiː pε], i.e., the Y is pronounced as I).
BSD licenses are a family of permissive free software licenses, imposing minimal restrictions on the use and redistribution of covered software.
A BSAVE Image (aka "BSAVED Image") as it is referenced in a graphics program is an image file format created usually by saving raw video memory to disk (sometimes but not always in a BASIC program using the BSAVE command).
The BSA Rocket 3/Triumph Trident was the last major motorcycle developed by Triumph Engineering at Meriden, West Midlands.
The Software Alliance, also known as BSA, is a trade group established by Microsoft Corporation in 1988 and representing a number of the world's largest software makers and is a member of the International Intellectual Property Alliance.
The BSD daemon, nicknamed Beastie, is the generic mascot of BSD operating systems.