| Kingfish | 35.05 | 2003 | Codecasa S.p.A. |
| Kingdom 5KR | 86 | 1980 | Benetti SpA |
| King of Oil | 33.91 | 2009 | Sunseeker |
| King of Fun | 39.62 | 2004 | Northern Marine Co. LLC |
| King Power | 35.2 | 2016 | Sunseeker |
| King Of The Sea | 47 | 2024 | Custom |
| King Louis | 46 | 2003 | Heesen Yachts |
| King I | 36.92 | 2023 | Sanlorenzo |
| King Benji | 46.7 | 2024 | Dunya Yachts |
| King Baby | 41 | 2015 | IAG Yachts Ltd |
| King | 33.48 | 2004 | Overmarine Group SPA |
| Kinetic | 30.48 | 1999 | INACE Yachts |
| Kindness to the World | 28.96 | 2005 | INACE Yachts |
| Kinda | 49.99 | 2022 | Tankoa Yachts S.p.A. |
| Kimojo | 30.46 | 2019 | Maiora |
| Kimberlie | 38.71 | 2010 | IAG Yachts Ltd |
| Kikian | 30.2 | 2005 | Cantieri Navali Rizzardi |
| Kiki V | 37.04 | 2020 | Custom Line |
| Kiki V | 27.96 | 2016 | Pershing S.p.a. |
| Kijo | 44.5 | 2003 | Heesen Yachts |
| Kidi One | 34.13 | 2008 | Leopard Yachts |
| Kiboko Tres | 32.27 | 2018 | Southern Wind |
| Kiboko 4 | 35.51 | 2025 | Southern Wind |
| Kiawah II | 29.44 | 2001 | Astondoa S.A. (Astilleros) |
| Kiara | 30.6 | 2013 | Custom Line |
| Kiara | 34.7 | 1967 | Societe et Commerciale Nouvelle Industrie (SECNI) |
| Kian | 28.15 | 2009 | Sunseeker |
| Kia Ora | 37.95 | 2020 | Sanlorenzo |
| Khozam | 77.34 | 1975 | Schichau Unterweser AG |
| Khansaheb | 36 | 2006 | Seaspray Marine Services & Engineering |
| Khalili | 32.8 | 2005 | Leight Notika |
| Khalilah | 49.5 | 2014 | Palmer Johnson Yachts |
| Khalidia | 44.35 | 1962 | Atlantic Shipbuilding Company |
| Khalidah | 60 | 2023 | Amels |
| Kha Shing 115/002 | 34.7 | | |
| Kha Shing 100-129 | 30.48 | 2012 | Hargrave Custom Yachts |
| Keyla | 43.58 | 2003 | Trinity Yachts |
| Key Largo | 35.05 | 1922 | Lawley |
| Kevo | 45.3 | 1976 | Maritima de Axpe |
| Kestrel | 32.4 | 2012 | Aganlar Shipyard & Marina |
| Kerry | 32.62 | 2014 | Custom Line |
| Keros Island | 28.9 | 2014 | FX Yachts |
| Keri Lee III | 53.9 | 2001 | Trinity Yachts |
| Kentra | 32.2 | 1923 | William Fife & Sons |
| Kenshō | 75.18 | 2022 | Admiral |
| Kenora | 32.72 | 1999 | Wally |
| Kenayl II | 30.4 | 1993 | Baglietto S.p.A. |
| Kenayl | 29.57 | 1992 | Azimut Yachts |
| Kemosabe | 34.1 | 2007 | Westport Yachts |
| Kelonia | 30.2 | 2016 | Ocea |
