| B/M | Bill of Material | |
| BM | Ballymena (UK) | |
| BM | Bridesmaid | |
|
| BM | Batman | |
| BM | Beautiful Music (broadcast radio format) | |
| B/M | Below Mentioned | |
| BM | Birthmark | |
| BM | British Museum | |
| BM | Burning Man | |
| BM | Myanmar (assumed name of Burma) | |
| BM | Bookmark | |
| BM | Beam | |
| BM | Black Metal (music genre) | |
|
| BM | Black Magic | |
| BM | Black Market (illegal trade) | |
| BM | Bowel Movement | |
| BM | Branch Manager | |
| BM | Banco Mundial (Spanish: World Bank) | |
| BM | Bundesministerium (Federal Ministry, Austria) | |
| BM | Bob Marley | |
| BM | Bone Marrow | |
| BM | Basement Membrane | |
| BM | Burma | |
| BM | Babymetal (band) | |
| BM | Bloody Mary | |
| BM | Business Management | |
| BM | Boehringer Mannheim (blood test) | |
| BM | Black Mesa (gaming) | |
| BM | Brian May (guitarist) | |
| BM | Bar Mitzvah (Jewish rite) | |
| BM | Blue Moon | |
| BM | Benchmarking | |
| B/M | Battle Management | |
| BM | Bismarck | |
| BM | Banque Mondiale (French: World Bank) | |
| BM | Breast Milk | |
| BM | Biomarker | |
| BM | Blue Mountain (railroad) | |
| BM | Business Machines | |
| BM | Black Male | |
| BM | Bat Mitzvah (Jewish rite) | |
| BM | Bushmaster | |
| BM | Background Music | |
| BM | Beatmania (DJ simulator game) | |
| BM | Big Mouth | |
| BM | Baumeister (German: manager of building projects) | |
| BM | Business Manager | |
| BM | Brigada Militar (south Brazilian military police) | |
| BM | Big Mac | |
| BM | Bachelor of Music (degree) | |
| BM | Ballistic Missile(s) | |
| BM | BeastMaster (Utopia game) | |
| BM | Baby Mama (2008 movie) | |
| BM | Bill Maher (comedian) | |
| BM | Beast Machines | |
| BM | Bill Murray (actor) | |
| BM | Blood Magic (Path of Exile; gaming) | |
| BM | Barry Manilow (musician) | |
| BM | Blademaster (gaming) | |
| BM | Birth Mother | |
| BM | Bench Mark | |
| BM | Bloodmage (gaming character) | |
| BM | Buffer Manager (computing) | |
| BM | Behavior Modification | |
| BM | Be Mine | |
| BM | Black Madonna | |
| BM | Back Matter | |
| BM | Boilermaker | |
| BM | British Midland (Airline) | |
| BM | BOINC (Berkeley Open Infrastructure for Network Computing) Manager | |
| BM | Backyard Monsters (gaming) | |
| BM | Birmingham Midshires (building society bank, UK) | |
| BM | Banca Mondiale (Italian) | |
| BM | Bite Me | |
| BM | Bill of Material | |
| BM | Bending Moment | |
| BM | Battle Management | |
| BM | Build Margin | |
| BM | Burst Mode | |
| BM | Black Mage (gaming) | |
| BM | Bus Mastering | |
| BM | Bachelor of Medicine | |
| BM | Bad Manners | |
| BM | Brewmaster (gaming) | |
| BM | Basal Metabolism | |
| BM | Basilar Membrane | |
| Bm | Baader-Meinhof (German terrorists) | |
| BM | Birlesmis Milletler (Turkish: United Nations ) | |
| BM | Bundesverband Mediation (German: Federal Mediation Association) | |
| BM | Beats Me | |
| BM | Bravery Medal (Australian honor) | |
| BM | Bishop Museum (Honolulu, HI) | |
| BM | Beer Money | |
| BM | Billy Mays (William Darrell Mays; 1958-2009) | |
| BM | Boatswains Mate | |
| BM | Blue Merle | |
| BM | Bureau of Mines | |
| BM | Beachmaster | |
| BM | Bull Moose (political party) | |
| BM | Baby's Mother | |
| BM | Blueberry Muffin (various applications) | |
| BM | Blue Mage (gaming) | |
| BM | Brick & Mortar (as opposed to existence exclusively on the Internet) | |
| BM | Board Measure | |
| BM | Building Manager | |
| BM | Belgian Malinois | |
| BM | Book to Market (stocks) | |
| BM | Birthday Message | |
| BM | Bus Monitor | |
| BM | Buddhist Modernism | |
| BM | Buffer Map (computer science) | |
| BM | Blonde Moment | |
| BM | Baseball Mogul (baseball simulation computer game) | |
| BM | Battery Machines | |
| BM | Breakdown Maintenance | |
| BM | Bridge Mux (software) | |
| BM | Bella Morte (band) | |
| BM | Body Mounted | |
| BM | Bus Mouse | |
| BM | Behavioral Modeling | |
| BM | Brigade Major (Staff Officer to Brigade Commander) | |
| BM | Brain Man (TV series) | |
| BM | Bridgemonkeys (gaming clan) | |
| BM | Bronze Metal | |
| BM | Bituminous Macadam (transportation engineering) | |
| BM | Battlefield Management | |
| BM | Broadcast Management | |
| BM | Briefing Message | |
| BM | Basic Mirroring (computing) | |
| BM | Bluff Master (Indian film) | |
| BM | Battlespace Management | |
| BM | Berlekamp-Massey (algorithm) | |
| BM | Banyak Maunya (Indonesian: I Wish a Lot) | |
| BM | Bakis Model (speech recognition) | |
| BM | Brazilian Male | |
| BM | Beautiful Midnight (Matthew Good Band album) | |
| BM | Back Marker | |
| BM | Burger Machine (Philippine fast food chain) | |
| BM | Bluff Me (gaming, World of Warcraft) | |
| BM | Bible Museum | |
| BM | Beatae Memoriae (Latin: Of Blessed Memory) | |
| BM | Battlemac (gaming clan) | |
| BM | Bound Mode | |
| BM | Bitch Magnet (band) | |
| BM | Bolliger & Mabillard (roller-coaster maker) | |
| BM | Base Movement | |
| BM | Bastard Machine (band) | |
| BM | Bazaar Malay | |
| BM | Boo Mansion (forum/website) | |
| BM | Branch on Minus | |
| BM | Burning Metro (band) | |
| BM | Branch Material | |
| BM | Beli Manastir, Croatia (automobile code) | |
| BM | Bearing Mean | |
| BM | Balanced Measure | |
| BM | Brogan Maintenance (military slang) | |
| BM | Boston and Maine Railroad Corporation | |
| BM | Branch on Mixed (IBM) | |
| BM | Bounding Method | |
| BM | (USN Rating) Boatswain's Mate | |
| B/M | (Seat)Belts - Motorized | |