| Anne O | 34.7 | 1994 | Hatteras Yachts |
| Anne S. Pierce | 37.79 | 1982 | Deep Sea Trawlers |
| Anneliese | 30 | 1972 | Schiffswerft Hameln |
| Annita M | 27.6 | 2024 | Sanlorenzo |
| Anniversari | 29.11 | 2024 | Princess Yachts |
| Anodyne | 33.53 | 2010 | INACE Yachts |
| Anonymus | 32.68 | 2012 | Gulf Craft |
| Another Day 2 | 28.65 | 2004 | Custom Line |
| Another Impulsive Decision | 31.7 | 2021 | Hatteras Yachts |
| Another One | 34.16 | 2021 | Sanlorenzo |
| Another One | 45.54 | 1967 | Camper & Nicholsons Shipyard |
| Antalis | 47.85 | 2007 | Baglietto S.p.A. |
| Antara | 46.5 | 1991 | Perini Navi |
| Antares | 39.62 | 2008 | Westport Yachts |
| Antares | 40 | 2005 | Royal Huisman |
| Antares | 32.6 | 1975 | Arthur Holgate |
| Antares III | 30 | 2011 | Yachting Developments |
| Antares Star | 33.5 | 1999 | Codecasa S.p.A. |
| Antares of Britain | 34 | 1957 | Bolson & Son |
| Antelope III | 43.12 | 2010 | Leopard Yachts |
| Antelope IV | 43.12 | 2012 | Italyachts |
| Anthea | 28.5 | 2006 | AB Yachts |
| Antheya III | 35.15 | 2015 | Princess Yachts |
| Antipode II | 29.85 | 2018 | Riva S.p.A. |
| Antipodean | 35.97 | 1987 | Oceanfast |
| Antisan | 33 | 1982 | Cantiere Navale St. Margherita Ligure |
| Antonia II | 31.4 | 2005 | Azimut Yachts |
| Antonisa | 37.8 | 1999 | Hodgdon Yachts |
| Antsiva | 28 | 2004 | Pita Yachts SLU |
| Anurag | 44.01 | 2020 | Benetti SpA |
| Anya | 34.92 | 2009 | Evolution Yachts |
| Anya | 40.05 | 2015 | Sunseeker |
| Anypa | 30.2 | 2003 | Benetti SpA |
| Anything Goes IV | 28.23 | 2009 | Riva S.p.A. |
| Anything Goes V | 34.1 | 2018 | Sanlorenzo |
| Anyuta | 40.05 | 2014 | Sunseeker |
| Apache | 34.4 | 1994 | N2A |
| Apanemia | 30.7 | 1998 | Falcon Yachts S.r.l. |
| Aphrodite | 39.01 | 2000 | Palmer Johnson Yachts |
| Aphrodite I | 28.2 | 1993 | Vitters Shipyard |
| Apmonia | 37 | 2008 | Couach Yachts |
| Apna | 34.9 | 2010 | Saba Yacht |
| Apogee | 62.5 | 2003 | Codecasa S.p.A. |
| Apolimar | 29.26 | 1987 | Estaleiro Marbono |
| Apollo | 54.3 | 2013 | Amels |
| Apollo I | 29.45 | 2001 | Astondoa S.A. (Astilleros) |
| Apollo XXII | 27.99 | 2007 | Sunseeker |
| Apostrophe | 39 | 2013 | Royal Hakvoort Shipyard |
| Apricity | 49.9 | 2014 | Overmarine Group SPA |
| Apries W | 46 | 2012 | Sanlorenzo |