The list of ship launches in 1863 includes a chronological list of some ships launched in 1863.
{ | class="wikitable sortable" style="font-size:1.00em; line-height:1.5em;" !style="text-align: left;"|Date !style="text-align: left;"|Country !style="text-align: left;"|Builder !style="text-align: left;"|Location !style="text-align: left;"|Ship !style="text-align: left;"|Class and type !style="text-align: left;"|Notes |----- | 10 January | | | Keyport, New Jersey | | Ram | |----- | 13 January | | F Z Tucker | Brooklyn, New York | | | |----- | 13 January | | Union Iron Works | Carondelet, Missouri | | Monitor | |----- | 17 January | | Reaney, Son, & Archibold | Chester, Pennsylvania | | | |----- | 21 January | | Harland & Wolff | Belfast | | Cargo ship | For J. Bibby & Sons. |----- | 17 February | | New York Navy Yard | New York | | | |----- | 18 February | | George C Bester | Peoria, Illinois | | Monitor | |----- | 18 February | | Union Iron Works | Carondelet, Missouri | | Monitor | |----- | February | | J J Abrahams | Baltimore, Maryland | | | |----- | February | | | Boston, Massachusetts | | | |----- | February | | H D Bassett | Selma, Alabama | | Ironclad Ram | |----- | 4 March | | Paul Curtis | Boston, Massachusetts | | | |----- | 7 March | | Thomas Stack | Brooklyn, New York | | | |----- | 8 March | | Curtis & Tilden | Boston, Massachusetts | | | |----- | 17 March | | New York Navy Yard | New York | | | |----- | 19 March | | Portsmouth Navy Yard | Kittery, Maine | | Monitor | |----- | 19 March | | J Simonson | Greenpoint, New York | | | |----- | 19 March | | Devonport Dockyard | Devonport | | | |----- | 23 March | | Boston Navy Yard | Charlestown, Massachusetts | | | |----- | 31 March | | J A & D D Westerveldt | New York | | | |----- | 3 April | | H A Jones | Cincinnati, Ohio | | | |----- | 4 April | | G W Jackson | Newburyport, Massachusetts | | Gunboat | |----- | 7 April | | Harland & Wolff | Belfast | | Sailingship | For T. & J. Brocklebank. |----- | 16 April | | Charles Brun | Rochefort | Plongeur | Submarine | First mechanically propelled submarine |----- | 17 April | | Portsmouth Navy Yard | Kittery, Maine | | Gunboat | |----- | 21 April | | G W Lawrence | Portland, Maine | | Gunboat | |----- | 22 April | | | New York | | | |----- | 6 May | | Cowper Phipps Coles | Glasgow | | Ironclad | Denmark's first ironclad warship |----- | 7 May | | Philadelphia Navy Yard | Philadelphia, Pennsylvania | | | |----- | 9 May | British Columbia | James Trahey | Alexandria | | | |----- | 12 May | | William Cramp & Sons | Philadelphia Navy Yard | | Gunboat | |----- | 29 May | | Curtis & Tilden | Boston, Massachusetts | | Gunboat | |----- | 4 June | | Boston Navy Yard | Boston, Massachusetts | | | |----- | 15 June | | Portsmouth Navy Yard | Kittery, Maine | | Gunboat | |----- | 19 June | | Harland & Wolff | Belfast | | Sailing ship | For J. P. Corry & Co. |----- | 29 June | | William Graves | Richmond, Virginia | | Ironclad ram | |----- | 30 June | | H F Willink | Savannah, Georgia | | Ironclad | |----- | June | | Samuda Brothers | Poplar | | Troopship | |----- | 2 July | | Ishikawajima | Tokyo | | Gunboat | |----- | 3 July | | New York Navy Yard | New York | | Gunboat | |----- | 4 July | | Union Iron Works | St. Louis, Missouri | | Monitor | |----- | 4 July | | Laird, Son & Co | Birkenhead | | Ironclad | |----- | 29 July | | Continental Iron Works | Greenpoint, New York | | | |----- | 30 July | | Boston Navy Yard | Boston, Massachusetts | | | |----- | July | | Hunley, McClintock, and Watson | Mobile, Alabama | | Submarine | |----- | July | | | East Albany, New York | Mary Cook | | |----- | 1 August | | Harrison Loring | Boston, Massachusetts | | | Lead ship of her class |----- | 6 August | | D S Mainthon | Bordentown, New Jersey | | | |----- | 12 August | | Reany, Son, and Archibold | Chester, Pennsylvania | | | |----- | 15 August | | New York Navy Yard | Brooklyn, New York | | monitor | |----- | 15 August | | Pembroke Dockyard | Pembroke | | Sloop | |----- | 15 August | | Harland & Wolff | Belfast | | Sailing ship | For Joshua Prouse & Co. |----- | 24 August | | Neafie and Levy | Philadelphia, Pennsylvania | | | |----- | 28 August | | Boston Navy Yard | Boston, Massachusetts | | Gunboat | |----- | 29 August | | Laird, Son & Co | Birkenhead | | Ironclad | |----- | August | | | Glasgow | Sea King | | |----- | 12 September | | Secor and Company | Jersey City, New Jersey | | Monitor | |----- | 20 September | | Laing | Sunderland | | Steamship | For private owner. |----- | 29 September | | Philadelphia Navy Yard | Philadelphia, Pennsylvania | | Gunboat | |----- | 29 September | | Harland & Wolff | Belfast | | Barque | For Larrinaga Steamship Co.