| C | 54.6 | 2020 | Baglietto S.p.A. |
| Bystander | 42.18 | 2006 | JFA Yachts |
| Byeee... | 35.24 | 2024 | Pershing S.p.a. |
| By Bubanny | 34.38 | 2011 | Canados |
| Buzios | 34 | 2021 | Cantiere delle Marche (CdM) |
| Bux | 33.74 | 1979 | Admiral |
| Butterfly | 38 | 2011 | Danish Yachts |
| Bushido | 38.77 | 2007 | Horizon Yachts |
| Burrasca | 55.7 | 2003 | Perini Navi |
| Burning Daylight | 29.26 | 1987 | Broward Marine |
| Burn Rate | 36.58 | 2006 | Palmer Johnson Yachts |
| Burkut | 53.9 | 2009 | Baglietto S.p.A. |
| Buongiorno | 33 | 2023 | Custom Line |
| Bunty | 36.6 | 2009 | Benetti SpA |
| Bunker | 39.6 | 2005 | CRN |
| Bullitt | 28.3 | 2018 | Wally |
| Bullion | 29.8 | 2010 | Sunseeker |
| Bukefalos | 28.49 | 2022 | Ferretti Yachts |
| Buka U | 37.3 | 2006 | Heesen Yachts |
| Bugmester 104 | 31.76 | 1956 | Burmester |
| Buena Chica | 35 | 1945 | Nakskov Skibsvaerft |
| Buckpasser | 36.58 | 1985 | Hitachi Zosen |
| Bucketlist 10 | 36.97 | 2025 | Bodrum Oguz Marin |
| Bucanero | 31.46 | 2004 | Astondoa S.A. (Astilleros) |
| Bubu Forever | 27.6 | 2011 | Sanlorenzo |
| Brooklyn | 35.84 | 1997 | Akdeniz Shipyard |
| Bronko I | 33.56 | 2013 | Vicem Yachts |
| Britannia Fury | 33.25 | 1972 | Hugh McLean & Sons |
| Britannia | 126 | 1954 | John Brown & Sons |
| Britannia | 35.05 | 1990 | Broward Marine |
| Bristolian | 36.7 | 2008 | Yachting Developments |
| Bristolian | 29 | 1989 | CNB - Construction Navale Bordeaux |
| Bristol II of Beaulieu | 28 | 1988 | Azimut Yachts |
| Brisa II | 32.92 | 1985 | Cantieri di Pisa |
| Brigitte Bardot | 33.17 | 1998 | Vosper Thornycroft |
| Brigadoon | 36.3 | 2018 | Moonen Yachts |
| Breezy Day | 34.14 | 2004 | Westport Yachts |
| Breakthrough | 118.8 | 2025 | Feadship |
| Brazil | 43.5 | 1993 | Heesen Yachts |
| Bravo Zulu | 28.04 | 1997 | Westship Yachts |
| Bravo Zulu | 34.1 | 2004 | Westport Yachts |
| Bravo Hotel | 28.06 | 2019 | Sunseeker |
| Bravo Eugenia | 109 | 2018 | Oceanco |
| Bravo | 30.48 | 1975 | Stephens Marine |
| Bravissima | 62 | 2023 | Benetti SpA |
| Bravelove One | 44.2 | 2004 | Benetti SpA |
| Braveheart | 34.1 | 2005 | Westport Yachts |
| Braveheart | 49.38 | 1989 | Oskarshamns Varv (Swedeship) |
| Brave Goose of 1972 | 35.05 | 1972 | Tough Bros |
| Brave Challenger | 31.4 | 1960 | Vosper Thornycroft |
