# List of ship launches in 2003

The list of ship launches in 2003 includes a chronological list of all ships launched in 2003.
| | Country | Builder | Location | Ship | Class / type | Notes |
| 4 January | South Korea | Hyundai Heavy Industries | Ulsan | Berlin Express | Hamburg-Express-class container ship | For Hapag Lloyd |
| 8 January | Romania | Daewoo Mangalia | Mangalia | Coneste | Sietas type 178 container ship | For Bernd Bartels |
| 18 January | Italy | Cantiere Navale Visentini | Donada | Eurostar Valencia | Ro-pax ferry | For Grimaldi Group |
| 19 January | Denmark | Odense Staalskibsvaerft | Lindø | Axel Mærsk | Mærsk A-class container ship | For Mærsk Line |
| 4 February | Portugal | Estaleiros Navais de Viana do Castelo | Viana do Castelo | Rio Alexander | | |
| 7 February | Germany | Flensburger Schiffbau-Gesellschaft | Flensburg | Beachy Head | Point-class sealift ship | For British Armed Forces |
| 28 February | Finland | Kvaerner Masa-Yards | Turku | Mariner of the Seas | Voyager-class cruise ship | For Royal Caribbean International |
| 3 March | China | Xiamen Shipbuilding Industry | Xiamen | Rickmers New Orleans | type Superflex Heavy MPC container ship | For Rickmers Group |
| 8 March | South Korea | Geoje | Samsung Heavy Industries | OOCL Long Beach | OOCL SX-class container ship | For Orient Overseas Container Line |
| 21 March | France | Chantiers de l'Atlantique | St. Nazaire | Queen Mary 2 | Ocean liner | For Cunard Line |
| 21 March | Germany | Blohm + Voss | Hamburg | Kedah | Kedah-class offshore patrol vessel | |
| 4 April | Denmark | Odense Staalskibsvaerft | Lindø | Anna Mærsk | Mærsk A-class container ship | For Mærsk Line |
| 12 April | South Korea | Ulsan | Hyundai Heavy Industries | MSC Viviana | Sealand-New-York-type container ship | For Freesia International Corporation |
| 13 April | South Korea | Ulsan | Hyundai Heavy Industries | Maersk Kalamata | Sealand-New-York-type container ship | For Costamare Shipping |
| 18 April | India | Mazagon Dock Limited | Mumbai | Shivalik | Shivalik-class frigate | |
| 19 April | Netherlands | Koninklijke Schelde Groep | Flushing | Evertsen | De Zeven Provinciën-class frigate | |
| 29 April | People's Republic of China | Jiangnan Shipyard | Shanghai | Lanzhou | Type 052C air defense destroyer | |
| 3 May | United Kingdom | Appledore Shipbuilders | Appledore, North Devon | Coruisk | Ferry | For Caledonian MacBrayne |
| 16 May | Australia | Tenix Defence Systems | Williamstown, Victoria | Toowoomba | Anzac-class frigate | |
| 16 May | Spain | Navatia | Ferrol | Blas de Lezo | Álvaro de Bazán-class frigate | For Armada Española |
| 23 May | Denmark | Mærsk Line | Kerteminde, Denmark | Olga Mærsk | Olga Mærsk-Class container ship | For Mærsk Line |
| 6 June | Sweden | Terra Nova [sv] | Gothenburg | Götheborg | East Indiaman Replica | For Svenska Ostindiska Companiet AB |
| 14 June | Great Britain | VT Group | Southampton | HMS Mersey | River-class patrol vessel | For Royal Navy |
| 16 June | China | Xiamen Shipbuilding Industry | Xiamen | Rickmers Jakarta | type Superflex Heavy MPC container ship | For Rickmers Group |
| 20 June | Germany | Meyer Werft | Papenburg | Serenade of the Seas | Radiance-class cruise ship | For Royal Caribbean International |
| 25 June | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | James E. Williams | Arleigh Burke-class destroyer | |
| 3 July | Denmark | Odense Staalskibsvaerft | Lindø | Arnold Mærsk | Mærsk A-class container ship | For Mærsk Line |
| 12 July | United States | Avondale Shipyard | Avondale, Louisiana | San Antonio | San Antonio-class amphibious transport dock | |
| 18 July | United Kingdom | Swan Hunter | Wallsend, England | Largs Bay | Bay-class landing ship dock | |
| 19 July | United States | Bath Iron Works | Bath, Maine | Momsen | Arleigh Burke-class destroyer | |
| 26 July | Germany | Nordseewerke | Emden | Hessen | Sachsen-class frigate | |
| 2 August | Germany | Howaldtswerke-Deutsche Werft | Kiel | Spioenkop | Valour-class frigate | For South African Navy |
| 16 August | United States | Electric Boat | Groton, Connecticut | Virginia | Virginia-class submarine | For US Navy |
| 16 August | South Korea | Hyundai Heavy Industries | Ulsan | Adriana Star | Type Hyundai 2530 TEU container ship | |
| 29 August | Japan | | | Sazanami | Takanami-class destroyer | |
| 31 August | Portugal | Estaleiros Navais de Viana do Castelo | Viana do Castelo | Rio Alexander | | |
| 13 September | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Lana | Motor yacht | For private owner. |
| 22 September | Germany | Schiffswerft J.J. Sietas | Hamburg-Neuenfelde | Stina | Sietas type 168 container ship | For Jan Breuer |
| 24 September | Spain | Hijos de J. Barreras | Vigo | Suardiaz Galicia | Ro-ro cargo ship | For Suardiaz |
| 1 October | Germany | J.J. Sietas | Hamburg-Neuenfelde | Annette | Sietas type 161 | For SAL Heavy Lift |
| 1 October | Germany | J.J. Sietas | Hamburg-Neuenfelde | Maria | Sietas type 161 | For SAL Heavy Lift |
| 1 October | Japan | | | Takashio | Oyashio-class submarine | |
| 2 October | Germany | HDW | Kiel | Pahang | Kedah-class offshore patrol vessel | |
| 2 October | South Korea | Ulsan | Hyundai Heavy Industries | MSC Marina | Sealand-New-York-type container ship | |
| 8 October | Denmark | Odense Staalskibsvaerft | Lindø | Arthur Mærsk | Mærsk A-class container ship | For Mærsk Line |
| 16 October | Finland | Aker Finnyards | Rauma, Finland | Victoria I | Cruiseferry | For Tallink |
| 23 October | France | Direction des Constructions Navales | Cherbourg | O’Higgins | Scorpène-class submarine | For Armada de Chile |
| 30 October | People's Republic of China | Jiangnan Shipyard | Shanghai | Haikou | Type 052C air defense destroyer | |
| 6 November | Italy | Fincantieri | Muggiano | Salvatore Todaro | Type 212 submarine | For Italian Navy |
| November | Germany | Nordseewerke | Emden | U 32 | Type 212 submarine | For German Navy |
| 27 December | South Korea | Geoje | Samsung Heavy Industries | OOCL Qingdao | OOCL SX-class container ship | For Orient Overseas Container Line |
| Date unknown | People's Republic of China | Shanhaiguan Shipyard | Qinhuangdao | Mayflower Resolution | Turbine Installation Vessel | For Mayflower Energy Ltd |
| Date unknown | Japan | Sumitomo Heavy Industries | Yokosuka, Japan | Mastera | Crude oil tanker | |