# List of ship commissionings in 1943

The list of ship commissionings in 1943 includes a chronological list of ships commissioned in 1943. In cases where no official commissioning ceremony was held, the date of service entry may be used instead.
| Date | Operator | Ship | Class and type | Notes |
| 9 January | Royal Navy | Hunter | Attacker-class escort carrier | Lend-Lease acquisition, former USS Block Island |
| 13 January | Royal Navy | Whimbrel | Black Swan-class sloop | |
| 14 January | United States Navy | Independence | Independence-class aircraft carrier | |
| 31 January | Royal Navy | Tracker | Attacker-class escort carrier | Lend-Lease acquisition |
| 17 February | United States Navy | Lexington | Essex-class aircraft carrier | |
| 20 February | United States Navy | Barnes | Bogue-class escort carrier | |
| 22 February | United States Navy | Iowa | Iowa-class battleship | |
| 25 February | United States Navy | Princeton | Independence-class aircraft carrier | |
| 27 February | Royal Navy | Fencer | Attacker-class escort carrier | Lend-Lease acquisition, former USS Croatan |
| 1 March | Royal Navy | Kite | Black Swan-class sloop | |
| 8 March | United States Navy | Block Island | Bogue-class escort carrier | |
| 31 March | United States Navy | Belleau Wood | Independence-class aircraft carrier | |
| 1 April | Royal Navy | Starling | Black Swan-class sloop | |
| 7 April | Royal Navy | Searcher | Attacker-class escort carrier | Lend-Lease acquisition |
| 9 April | Royal Navy | Chaser | Attacker-class escort carrier | Lend-Lease acquisition, former USS Breton |
| 9 April | United States Navy | Prince William | Bogue-class escort carrier | |
| 10 April | United States Navy | Edsall | Edsall-class destroyer escort | |
| 12 April | United States Navy | Breton | Bogue-class escort carrier | |
| 15 April | United States Navy | Yorktown | Essex-class aircraft carrier | |
| 23 April | United States Navy | Abbot | Fletcher-class destroyer | at Boston Navy Yard under command of Commander Chester E. Carroll |
| 25 April | Royal Navy | Ravager | Attacker-class escort carrier | Lend-Lease acquisition |
| 28 April | United States Navy | Croatan | Bogue-class escort carrier | |
| 28 April | Royal Navy | Striker | Attacker-class escort carrier | Lend-Lease acquisition, former USS Prince William |
| 5 May | Royal Norwegian Navy | MTB 345 | torpedo boat | transferred from the Royal Navy |
| 12 May | Royal Navy | Pheasant | Black Swan-class sloop | modified |
| 13 May | United States Navy | Bataan | Independence-class aircraft carrier | |
| 23 May | United States Navy | New Jersey | Iowa-class battleship | |
| 24 May | United States Navy | Bunker Hill | Essex-class aircraft carrier | |
| 28 May | United States Navy | Cowpens | Independence-class aircraft carrier | |
| 31 May | United States Navy | Pybus | Bogue-class escort carrier | |
| 8 June | Royal Navy | Savage | S and T-class destroyer | modified |
| 9 June | United States Navy | Daniel T. Griffin | Buckley-class destroyer escort | |
| 11 June | Royal Navy | Pursuer | Attacker-class escort carrier | Lend-Lease acquisition, former USS St. George |
| 17 June | United States Navy | Monterey | Independence-class aircraft carrier | |
| 28 June | United States Navy | Baffins | Bogue-class escort carrier | |
| 3 July | United States Navy | Glacier | Bogue-class escort carrier | |
| 8 July | United States Navy | Casablanca | Casablanca-class escort carrier | |
| 19 July | Royal Navy | Ameer | Attacker-class escort carrier | Lend-Lease acquisition, former USS Baffins |
| 22 July | United States Navy | Bolinas | Bogue-class escort carrier | |
| 24 July | United States Navy | Cabot | Independence-class aircraft carrier | |
| 1 August | Royal Navy | Atheling | Attacker-class escort carrier | Lend-Lease acquisition, former USS Glacier |
| 4 August | Royal Navy | Trumpeter | Attacker-class escort carrier | Lend-Lease acquisition, former USS Bastian |
| 6 August | Royal Navy | Emperor | Attacker-class escort carrier | Lend-Lease acquisition, former USS Pybus |
| 7 August | United States Navy | Liscome Bay | Casablanca-class escort carrier | |
| 11 August | Royal Navy | Slinger | Attacker-class escort carrier | Lend-Lease acquisition, former USS Chatham |
| 12 August | Royal Navy | Begum | Attacker-class escort carrier | Lend-Lease acquisition, former USS Bolinas |
| 12 August | Royal Navy | Empress | Attacker-class escort carrier | Lend-Lease acquisition, former USS Carnegie |
| 16 August | United States Navy | Intrepid | Essex-class aircraft carrier | |
| 17 August | United States Navy | Wasp | Essex-class aircraft carrier | |
| 25 August | Royal Navy | Khedive | Attacker-class escort carrier | Lend-Lease acquisition, former USS Cordova |
| 27 August | United States Navy | Coral Sea | Casablanca-class escort carrier | |
| 30 August | Royal Navy | Magpie | Black Swan-class sloop | modified |
| 31 August | United States Navy | Corregidor | Casablanca-class escort carrier | |
| 31 August | United States Navy | Langley | Independence-class aircraft carrier | |
| 2 September | Kriegsmarine | Schnelles Geleitboot 4 | Sans Souci-class sloop | |
| 7 September | Royal Navy | Nabob | Bogue-class escort carrier | Lend-Lease acquisition, former USS Edisto |
| 13 September | United States Navy | Mission Bay | Casablanca-class escort carrier | |
| 25 September | United States Navy | Guadalcanal | Casablanca-class escort carrier | |
| 27 September | Royal Navy | Shah | Attacker-class escort carrier | Lend-Lease acquisition, former USS Jamaica |
| 5 October | United States Navy | Manila Bay | Casablanca-class escort carrier | |
| 14 October | United States Navy | Natoma Bay | Casablanca-class escort carrier | |
| 22 October | Royal Navy | Patroller | Attacker-class escort carrier | Lend-Lease acquisition, former USS Keweenaw |
| 23 October | United States Navy | Midway | Casablanca-class escort carrier | |
| 31 October | United States Navy | Tripoli | Casablanca-class escort carrier | |
| 2 November | Royal Navy | Amethyst | Black Swan-class sloop | modified |
| 3 November | Royal Navy | Premier | Attacker-class escort carrier | Lend-Lease acquisition, former USS Estero |
| 7 November | United States Navy | Wake Island | Casablanca-class escort carrier | |
| 8 November | Royal Navy | Ranee | Attacker-class escort carrier | Lend-Lease acquisition, former USS Niantic |
| 15 November | United States Navy | White Plains | Casablanca-class escort carrier | |
| 19 November | Royal Navy | Thane | Attacker-class escort carrier | Lend-Lease acquisition, former USS Sunset |
| 20 November | Royal Navy | Speaker | Attacker-class escort carrier | Lend-Lease acquisition, former USS Delgada |
| 21 November | United States Navy | Solomons | Casablanca-class escort carrier | Former HMS Emperor |
| 27 November | United States Navy | Kalinin Bay | Casablanca-class escort carrier | |
| 29 November | United States Navy | Hornet | Essex-class aircraft carrier | |
| 4 December | United States Navy | Kasaan Bay | Casablanca-class escort carrier | |
| 7 December | Royal Navy | Queen | Attacker-class escort carrier | Lend-Lease acquisition, former USS St. Andrews |
| 9 December | United States Navy | Fanshaw Bay | Casablanca-class escort carrier | |
| 15 December | United States Navy | Kitkun Bay | Casablanca-class escort carrier | |
| 15 December | United States Navy | San Jacinto | Independence-class aircraft carrier | |
| 21 December | United States Navy | Tulagi | Casablanca-class escort carrier | |
| 22 December | Royal Navy | Ruler | Attacker-class escort carrier | Lend-Lease acquisition, former USS St. Joseph |
| 28 December | United States Navy | Gambier Bay | Casablanca-class escort carrier | |
| 31 December | Royal Navy | Arbiter | Attacker-class escort carrier | Lend-Lease acquisition, former USS St. Simon |