ECW Barely Legal, an ECW PPVBL Publishing, the publishing division of the wargames manufacturing, Games WorkshopBionicle Legends, a series of science-fiction novels based on Lego toys
Computing
Blockland, a game made by Step 1:GamesBahamut Lagoon, a Japanese role-playing video gameabbreviation for BootloaderBL register, the low byte of an X86 16-bit BX register
Television series
Boston Legal, a US legal comedy dramaBig Love, a US drama about a polygamous familyThe Biggest Loser, a reality show featuring competitive weight lossBlack Lagoon, a Japanese anime (and manga) series following a band of mercenaries
Music
"Beautiful Liar", an R&B song by Beyoncé and Shakira"Bleeding Love", a British R&B ballad from Leona Lewis' debut album, SpiritBong Load Custom Records, an independent record label from Los Angeles, USBlake Lewis, an American singer
Other performers or characters
Bobby Lashley, an American professional WWE wrestlerBruce Lee, an American-Chinese martial artist and actorBrock Lesnar, an American professional WWE wrestlerBuzz Lightyear, a character from Disney/Pixar's Toy Story filmsBarry Letts, a producer well known for his work on Doctor Who
Commerce
Bell Labs, an audio-technology research and design enterpriseA Bill of lading, a receipt issued by a carrier
Health
Accupressure or acupuncture points, e.g., BL-34 or BL-54Borderline lepromatous leprosy
Law
Bachelor of Laws (B.L.), Bachelor of Laws in some jurisdictionsBarrister-at-Law, a qualification in Ireland and Nigeria
Organizations
The British Library, the UK's national libraryBritish Leyland, a former UK vehicle manufacturing companyThe IATA code for the low-cost airline Jetstar Pacific AirlinesBoys' Latin School of Maryland, a US private schoolLytvyn Bloc, a Ukrainian political party
Places
Saint Barthélemy [ISO country code: BL], a Caribbean overseas collectivity of FranceBolivia (FIPS Pub 10-4 and obsolete NATO digram: BL), a central South-American countryBanja Luka, a city in Bosnia and HerzegovinaBasel-Landschaft (Basel-Country), a canton of SwitzerlandThe BL postcode area covering Bolton and Bury in England, UKThe Province of Belluno with BL being the car-license plate abbreviation of this Italian Province
Science and technology
BL (logic), the logic of continuous t-normsBlack light, a lamp which operates near the ultraviolet range of lightB−L, B minus L - in physicsBl., an abbreviation in botany for Carl Ludwig Blume
Other uses
Backhoe loader, an engineering vehicleBakerloo line, a London Underground line.Bitter lemon, a carbonated soft drinkBlessed, an honorific prefix given to beatified CatholicsBody language, a form of non-verbal communicationBL in braille is shorthand for blind.The Brisbane Lions, an Australian rules football team in the Australian Football LeagueA breech-loading weapon, specifically the BL designation for British artillery.The Anheuser-Busch product Bud Light, a pale lager drinkOne of the Thiele/Small electromechanical parameters of loudspeakers
