| My Lady Arraya | 39.9 | 1990 | Oceanfast |
| Oceana I | 55 | 1991 | Oceanfast |
| Nomad | 69.49 | 2003 | Oceanfast |
| Moecca | 45 | 1993 | Oceanfast |
| Madiblue D | 46.69 | 1986 | Oceanfast |
| Ocean Seven | 53.5 | 1994 | Oceanfast |
| Big Sky | 47.85 | 2010 | Oceanfast |
| Never Say Never | 37.18 | 1985 | Oceanfast |
| Aminah | 30 | 2001 | Oceanfast |
| Fortunate Sun | 54 | 2003 | Oceanfast |
| Mizu | 53.03 | 2004 | Oceanfast |
| Evolution 1 | 39 | 2008 | Oceanfast |
| Oculus | 39.02 | 1996 | Oceanfast |
| Perfect Persuasion | 45.72 | 1997 | Oceanfast |
| Lady Gita | 49.26 | 2019 | Odisej Shipyard |
| Son de Mar | 38.96 | 2019 | Odisej Shipyard |
| Aurum Sky | 52 | 2020 | Odisej Shipyard |
| Love Story | 43.25 | 2021 | Odisej Shipyard |
| Maldives Crown | 50 | 2013 | Offshore Yard |
| Honors Legacy | 33.53 | 2012 | Offshore Yard |
| Midnight Merlin | 38.7 | 1882 | Ole Haktorsen |
| Grace Bailey | 30.75 | 1882 | Oliver Perry Smith |
| Neorion | 33.8 | 2014 | Olivier F. van Meer |
| Zinat al Bihaar | 61 | 1988 | Oman Royal Yacht Squadron |
| Andromeda | 35 | 1997 | Omega Marine Developers |
| Iraklis L | 35.5 | 2009 | Onar |
| Naviga | 31 | 1987 | Orenstein & Koppel |
| Gaia Blu | 82.9 | 1981 | Orenstein & Koppel |
| Vera | 45.2 | 2012 | Orkun Yachting |
| My Story | 31 | 2002 | Orkun Yachting |
| Magnolia | 31.85 | 2010 | Orkun Yachting |
| Zia | 50 | 2008 | Ortona Navi |
| LIR | 35.25 | 1988 | Ortona Navi |
| Bartabas | 33.3 | 1979 | Ortona Navi |
| Binziyad | 38.4 | 1991 | Ortona Navi |
| Lady Katrina O | 31.95 | 1980 | Ortona Navi |
| OK | 146 | 1982 | Oshima Shipbuilding Co Ltd |
| Barösund | 31.2 | 1957 | Oskarshamns Varv (Swedeship) |
| Braveheart | 49.38 | 1989 | Oskarshamns Varv (Swedeship) |
| Vixit | 52.75 | 1988 | Oskarshamns Varv (Swedeship) |
| Gipsy | 35.2 | 2016 | Otam |
| Sexy Me | 27.75 | 2024 | Otam |
| W N Ragland | 30.75 | 1913 | Otto Hansen |
| Vera | 30 | 1880 | Otto Hansen |
| Half Irish | 44.47 | 2024 | Overmarine Group SPA |
| Fanamax | 33.8 | 2019 | Overmarine Group SPA |
| Nana I | 33.8 | 2020 | Overmarine Group SPA |
| The Great Escape | 44.47 | 2025 | Overmarine Group SPA |
| Iary | 33.8 | 2015 | Overmarine Group SPA |
| Eva4Eva | 44.47 | 2024 | Overmarine Group SPA |
