| Coco | 27.6 | 2007 | Sanlorenzo |
| Cobra Queen | 30.5 | 2004 | Cobra Yacht |
| Cobra King | 38.6 | 2005 | Cobra Yacht |
| Cobana | 28.96 | 2018 | Sanlorenzo |
| Coastal Drifter | 29.26 | 2003 | Bloemsma & van Breemen |
| Coal Blooded | 28.04 | 2014 | Pershing S.p.a. |
| Club M II | 29.26 | 2014 | Ferretti Yachts |
| Club M | 39.75 | 2020 | Baglietto S.p.A. |
| Cloudia | 28.06 | 2019 | Sunseeker |
| Cloudbreak | 75.28 | 2016 | Abeking & Rasmussen |
| Cloud Atlas | 46 | 1990 | Lloyds Ships |
| Cloud 9 | 44.5 | 2024 | Sanlorenzo |
| Cloud 9 | 40.6 | 2007 | KaiserWerft GmbH |
| Clic | 28.93 | 2022 | Sanlorenzo |
| Clic | 29.1 | 2021 | Sanlorenzo |
| Clia | 36.3 | 2004 | Heesen Yachts |
| Cleopatra | 35.5 | 2009 | Riva S.p.A. |
| Cleopatra | 57 | 1985 | Amels |
| Cleon | 34.14 | 1941 | Vosper Thornycroft |
| Clelia III | 59.8 | 2011 | CRN |
| Clear Eyes | 43.13 | 2010 | Pax Navi |
| Claypen | 28.17 | 2012 | Ocean Alexander |
| Claudia's | 28.27 | 2009 | Overmarine Group SPA |
| Clase Azul | 48.24 | 2022 | Tramontana Yachts |
| Clarity | 31.6 | 2003 | Leight Notika |
| Clarissa | 29.87 | 1999 | Valena Yachting |
| Clarissa | 32 | 1977 | Poole |
| Claremont | 32 | 2009 | VBG Super Yachts |
| Clara One | 32 | 1961 | Sarri |
| Claire | 30.5 | 2003 | Hatteras Yachts |
| Cklass Nautique | 45.44 | 1992 | Niigata Shipyard |
| Cisne | 37.1 | 2011 | RioStar Yachts |
| Cipitouba II | 34.5 | 2009 | Cyrus Yachts |
| Cipitouba | 40 | 2002 | Feadship |
| Cipango | 30 | 1992 | New Versilcraft srl |
| Cinquanta 50 | 35.6 | 2014 | Admiral |
| Cinderella Noel IV | 49.9 | 2024 | Heesen Yachts |
| Ciliam | 28 | 1999 | Salthouse Marine Limited |
| Cigdem | 60 | 1998 | Erdogan Usta |
| Cielo Mare | 38.71 | 2009 | Townsend Bay Marine |
| Ciao M | 32.82 | 2023 | Custom Line |
| Ciao II | 28.49 | 2019 | Ferretti Yachts |
| Ciao | 28.93 | 2007 | Moonen Yachts |
| Chronos | 54 | 2013 | Ark Yacht |
| Christopher | 46 | 2011 | Pendennis Shipyard Ltd |
| Christopher | 47.5 | 2006 | ISA Yachts |
| Christo HE | 32.95 | 1991 | Baglietto S.p.A. |
| Christine | 30.48 | 1979 | Fred Preiss |
| Christine | 30.96 | 2023 | Horizon Yachts |
| Christine | 28.06 | 2016 | Sunseeker |
