The list of ship commissionings in 1946 includes a chronological list of all ships decommissioned in 1946.
| Operator | Ship | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|
| 15 January |  United States Navy
|
USS Palau | Commencement Bay-class escort carrier | CVE-122 | |
| 25 January |  Royal Navy
|
HMS Warrior | Majestic-class aircraft carrier | 31 | |
| 27 February | United States Navy
|
USS Sicily | Commencement Bay-class escort carrier | CVE-118 | |
| 2 March | United States Navy
|
USS Kearsarge | Essex-class aircraft carrier | CV-33 | |
| 14 March |  Royal Canadian Navy
|
HMCS Warrior | Majestic-class aircraft carrier | CVL 20 | Former HMS Warrior |
| 23 March |  Royal Netherlands Navy
|
HNLMS Karel Doorman | Majestic-class aircraft carrier | CVL 20 | |
| 11 April | United States Navy
|
USS Leyte | Essex-class aircraft carrier | CV-32 | |
| 11 April | United States Navy
|
USS Valley Forge | Essex-class aircraft carrier | CV-45 | |
| 11 May | United States Navy
|
USS Philippine Sea | Essex-class aircraft carrier | CV-47 | |
| 14 July | United States Navy
|
USS Saipan | Saipan-class light aircraft carrier | CVL-48 | |
| Date uncertain |  French Navy
|
Arromanches | Colossus-class aircraft carrier | R95 | Loaned from the Royal Navy; former HMS Colossus |
| Date uncertain | Royal Canadian Navy
|
HMCS Magnificent | Majestic-class aircraft carrier | CVL 21 | Purchased from the Royal Navy |