BSD can refer to any of the following acronyms:

• Bahamian dollar, ISO 4217
• Beaverton School District, a school district in Beaverton, Oregon, USA.
• Bellevue School District, the school district of Bellevue, Washington, USA.
• Berkeley Software Distribution, a free Unix-like operating system, and numerous variants.
• Big Swinging Dick, term of praise for a particularly brash financier popularized by Michael Lewis's Liar's Poker.
• Birch and Swinnerton-Dyer conjecture, an important unsolved problem in mathematics.
• Birsa Seva Dal, a political group in India.
• Black Spiral Dancers, a Tribe of evil-aligned werewolves in the White Wolf produced role-playing game Werewolf: The Apocalypse.
• Blue Screen of Death, a computer jargon phrase related to Microsoft Windows.
• Blue Shell Dodge, the dodging of a Blue (Spiny) Shell in the later Mario Kart Series.
• Bob- und Schlittenverband für Deutschland, the bobsleigh, luge, and skeleton federation for Germany.
• BSD licenses, permissive licenses that are among the most widely used free software licenses.
• BSD Records, a 1950s record label

cs:BSD (rozcestník) de:BSD el:BSD eo:BSD (apartigilo) fr:BSD (homonymie) ko:BSD (????) id:BSD it:BSD (disambigua) nl:BSD ja:BSD (?????) pt:BSD