'''BSL''' may refer to: {{TOC right}} ==Business== * Black Star Line, a former shipping line owned by Marcus Garvey * BlueScope Steel Limited, Australian-based flat product steel producer * Bokaro Steel Plant, a steel plant in Bokaro district, Jharkhand, India * Boyne Smelters Limited, Australian-based aluminium smelter company * Brookdale Senior Living, a U.S. company that operates senior residences * Tata Steel BSL, formerly Bhushan Steel Limited, a defunct manufacturer of auto-grade steel in India
==Education== * Bachelor of Science in Law, an academic degree * British School of Lomé, Togo, a school in Togo, West Africa
==Linguistics== * British Sign Language * Bhutanese Sign Language * Brazilian Sign Language * Bulgarian Sign Language
==Publications== * {{lang|fr|Bulletin de la Société de Linguistique de Paris}}, an academic journal published by the Société de Linguistique de Paris * ''Bulletin of Symbolic Logic'', from the Association for Symbolic Logic * ''Transport Phenomena'' (book), an engineering textbook also known by its authors' initials (Bird, Stewart, and Lightfoot)
==Science and computing== * Biosafety level or biohazard safety level, a set of biocontainment precautions * Blood sugar level * Boost Software License, a license popular for C++ projects * Bootstrap loader, the software involved in booting a computer * Business Source License, a source-available software license
==Sports== * Basketball Super League (Turkish: ''Basketbol Süper Ligi''), Turkey's premier men's basketball league * Basketball Super League (North America), North American basketball league * Israeli Basketball Super League, a former name of the Israeli Basketball Premier League * Brunei Super League, association football league in Brunei * Bangladesh Super League, professional football league in Bangladesh
==Transportation== * EuroAirport Basel Mulhouse Freiburg (IATA airport code) * Broad Street Line, a subway line in Philadelphia, Pennsylvania, US * Bhusaval Junction railway station (station code: BSL), Maharashtra, India
==Other uses== * Bangladesh Student League, a students' political organisation in Bangladesh * Biologic Space Laboratories, the location of the ''Metroid Fusion'' video game * Beam stage loader, a machine that forms part of a longwall mine * Breed-specific legislation, a type of law to prohibit or restrict the keeping of particular breeds or types of dog
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