| Entry | Förklaring |
| B | Belgium (gl. nationsbogstav) |
| B | Black |
| B & K | Brix & Kamp, dansk maritim rådgivning, ålborg |
| b to b | Both to blame (collision clause) |
| B&W | Burmeister & Wain, København ( spøgende: Brok & Wirvar) |
| B. | bugt |
| b. | blød |
| b.d.s. | Brokers daily statement |
| b/d | Bar draught, Bankers draft, Barrels per day |
| b/e | Bill of exchange, Bill of entry (customs) |
| b/f | Brought forward |
| b/h | Bill of Health, Bordeaux/Hamburg range of port, Barrels per hour |
| b/p | Bill payable, Between perpendiculars, Brake power |
| b4 | Before |
| ba | British Admiralty, Buenos Aires, bale (capacity of vessel). |
| BA | Bahamas (gl. nationsbogstav) |
| BAC | Bergsøe Anti Corrosion, fremstiller zinkanoder til skibe |
| BACAT | Barge Catamaran (startet af G.Drøshe i Rudkøbing 1970-erne) |
| baf | Bunkers Adjustment Factor. A fuel surcharge expressed as a percentage added or subtracted from the freight amount, reflecting the movement in the market place price for bunkers. |
| BAHO | The British Admiralty Hydrographic Office |
| bal | Balance, ved optælling af tally mv. |
| BAM | Bundesanstalt für Materialforschung und Prüfung |
| bar. | barometerstand |
| bb | Ballast bonus, back to back, bulbows bow, break bulk, Bahia Blanca, below bridges el. bill book. |
| bb. | bagbord |
| bbb | Before Breaking Bulk |
| bbfn | bye bye for now |
| bbl | Barrel |
| bc | Bulk carrier, British Columbia |
| BC | Sub-Committee on Bulk Cargoes and Containers (IMO) |
| BCH | Sub-Committee on Bulk Chemivals (IMO) |
| BCL | Baltic Container Line |
| BCR | Bow Crossing Range |
| BCT | Bow Crossing Time |
| bd ft. | Board foot (timber) |
| bd. | bund |
| bdi | Both days inclusive |
| bdls | Bundles |
| be | Both ends |
| BEG | Begrænset certifikat som radiotelefonist |
| beh | Basis empty holds |
| beh. | beholdne |
| BEI | Banque Europèenne d'Investment |
| bell. | Fog bell |
| BEM | Boundary Element Metode, ang. propellerblades idealisering efter deres faktiske geometri. |
| best. | bestikket |
| bfc | Baltimore form C (charter party) |
| BFI | Baltic Freight Index |
| BFO | Beat-Frequency-Oscillator |
| bgd | bagged |
| BGT | Baltic Gate Terminal, området ved Stignæs dybvandspier |
| BH | Bahrain (gl. nationsbogstav) |
| bhd | Bulkhead |
| BHK | Bremsehestekræfter, mål for maskineriets effekt. En nyere betegnelse for effekten er kW (tusinde watt - 1 hk svarer til 736 watt - 0,736 kw) Bhp er den tilsvarende eng. betegnelse: brakehorsepower. |
| bhp | Brakehorsepower |
| bi | Dreje under for stormsejl, lægge skibet for små sejl i stormvejr |
| bi bi | bye bye |
| BIAC | Business and Industry Advisory Committee |
| BICC | Bureau International Freight des Chambers de Commerce |
| BIFA | British International Freight Assiciation |
| BIMCO | The Baltic and International Maritime Council |
| BIS | Bank of International Settlement |
| BISCO | British Iron and Steel Cooperation |
| Bj. | bjerg, bjergkæde |
| Bk. | båke |
| BL | Brasil (gl. nationsbogstav) |
| bl. | blå |
| BLG | Bremer Lagerhaus-Gesellchaft |
| Blk. | blink |
| BM | Beam. (bredde) |
| BMI | Baltimore Marine Industries |
| BMT | British Maritime Technology |
| Bn | beacon (båke) |
| Bns | beacon (båke) |
| BOB | Bunker on Board (brændstofbeholdning om bord på skibet) |
| BOFFER | Best offer (bedste tilbud, evnt på fragt af noget gods osv.) |
| BOSVA | British Offshore Supply Ships Assiciation |
| BOTB | British Overseas Trade Board |
| BP | British Petroleum |
| bpb | Bank Post Bill |
| bpc | British Phosporus Commission |
| BPO | Baltic Ports Organisations |
| br | Bill Recievable, Bordeaux/Rouen, Builders Risk |
| BR | Myanmarunionen (gl. nationsbogstav) |
| BR | Black Red |
| Br. | Breakers (brænding), bredde |
| br. | bredde, brun |
| BRB | Black Red Black |
| brf. | breddeforandring |
| BROA | British Rigowners Association. |
| BROB | Bunkers remaining on board (brændstofbeholdning om bord) |
| BRT | Bruttoregistertonnage |
| Brt. | Bruttoregistertonnage, er et rummål, opgjort i Registertons à 100 eng. kubikfod = 2,83 kubikmeter. Brt. omfatter alle skibets lukkede rum med undtagelse af bl.a. dobbeltbundtanke og casinger. |
| bs | Balance sheet, Bill of sale, bill of store, Boiler survey |
| bsa | British Shipbrokers Assiciation |
| BSC | Baltic Sea Commuters |
| BSC | British Shippers Council |
| bsea | Black sea |
| BSH | Bundesamt für Seeschifahrt und Hydrographie. Udgiver søkort |
| bsi | British Standard Institution |
| BSS BSS 1/1 | Basis Basis 1 port to 1 port |
| BT | Bruttotonnage, rummål omfattende samtlige skibets lukkede rum. Ny måleenhed vedtaget i 1969, som erstatning for Brt. (se dette) som fra 1994 gælder samtlige skibe.eng.: Gross tonnage. se også GT |
| bt | Berth terms (specific liner terms) |
| BT | Britsh Telecom |
| BT | Brutto tonnage, se også under GT |
| BT | Berth Terms |
| BT | Bruttotonnage |
| BTI | Burwain Tankers International |
| btu | Bow thrust unit, British Thermal Unit |
| bu | Bushel (eng. skæppe = 36,55 liter). |
| Bu | Blue |
| BU | Bulgaria (gl. nationsbogstav) |
| BV | Bureau Veritas (Fransk) |
| BV | Bremer Vulcan |
| bwad | Brackish water arrivel draft |
| bwsc | Baltic and White Sea Conference |
| BWSC | Burmesiter & Wain Scandinavian Contactor |
| bx | Box |
| BY | Black Yellow |
| BYB | Black Yellow Black |