| Cyan | 48.7 | 1997 | Codecasa S.p.A. |
| Cyclone | 43.7 | 2017 | Tansu Yachts |
| Cyclos III | 42.36 | 1990 | Royal Huisman |
| Cynderella | 30.79 | 2010 | Hargrave Custom Yachts |
| Cynthia | 35.25 | 2010 | Maiora |
| Cyra | 32.31 | 2017 | Alpha Custom Yachts |
| Cyrano de Bergerac | 39 | 1993 | Camper & Nicholsons Shipyard |
| Cyrus One | 34.3 | 2008 | Cyrus Yachts |
| Cécile B | 43.4 | 2021 | Overmarine Group SPA |
| D Five | 28.72 | 2021 | Azimut Yachts |
| D Mare | 30.48 | 1995 | Sanlorenzo |
| D'Angleterre | 33.7 | 2008 | Bilgin Yachts |
| D'Artiste | 52 | 2025 | Baglietto S.p.A. |
| D'Natalin IV | 50 | 2014 | Christensen Shipyards, LLC. |
| D'Nice | 28.04 | 2010 | AllSeas Yachts |
| D'One | 46.2 | 2008 | Leopard Yachts |
| D'Vinci | 28.31 | 2014 | Custom Line |
| D.P. Monitor | 28.8 | 1953 | Benetti M&B |
| D.Rolli | 34.04 | 2023 | Van der Valk Shipyard |
| DAWO | 36.9 | 2025 | Benetti SpA |
| DB | 29.63 | 2023 | Azimut Yachts |
| DB2 | 38.2 | 2024 | Azimut Yachts |
| DB9 | 52.3 | 2010 | Palmer Johnson Yachts |
| DNA | 45.85 | 1981 | Feadship |
| DRD | 34.13 | 2013 | Mengi Yay Yachts |
| DXB | 34.95 | 2003 | Benetti SpA |
| Da Moon | 29.1 | 2020 | Sanlorenzo |
| Da Vinci | 49.9 | 2017 | Overmarine Group SPA |
| Dackel | 28 | 2007 | Permare s.r.l. |
| Daddy | 32.92 | 2008 | Sanlorenzo |
| Daddy Shane | 44.2 | 1967 | Dunston Shipyard |
| Daddy's Dream 888 | 28.7 | 2012 | Maiora |
| Daglarca | 35 | 2016 | Aganlar Shipyard & Marina |
| Dagnar IV | 28.72 | 2013 | Overmarine Group SPA |
| Dagon | 68.28 | 1985 | Tacoma Boat Building Co |
| Dagusha V | 35.17 | 2020 | Azimut Yachts |
| Dahlak | 38 | 2016 | Perini Navi |
| Daima | 42.5 | 2010 | Arkin Pruva Argos |
| Daisy D | 49.8 | 2018 | Heesen Yachts |
| Dali | 28 | 2006 | Bodrum Shipyard |
| Dalila | 29.77 | 2023 | Gulf Craft |
| Dallinghoo | 30.2 | 1990 | S.A. Pritchard |
| Dalmatino | 43.45 | 2019 | Radez d.d. Shipyard |
| Daloli | 32.62 | 2011 | Custom Line |
| Daloob | 71.5 | 2018 | Nakilat Damen Shipyards Qatar Ltd. |
| Dama di Cuori | 31.5 | 1970 | Benetti SpA |
| Damari | 29.2 | 2019 | Ferretti Yachts |
| Damen Yachting Xplorer 60/01 | 60.2 | 2025 | Damen Yachting |
| Damen Yachting YS 5303 | 53.25 | 2025 | Damen Yachting |
| Dames des Tropiques | 28.1 | 1991 | Cantiere Navale Crotone (CNC) |
