 |
The list of ship commissionings in 2012 includes a chronological list of all ships commissioned in 2012.
| Operator | Ship | Flag | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|---|
| 20 April |  Royal Navy | Dragon | Type 45 destroyer | D35 | ||
| 19 May |  United States Navy | San Diego | San Antonio-class amphibious transport dock | LPD-22 | ||
| 2 June | United States Navy | Mississippi | Virginia-class submarine | SSN-782 | ||
| 22 September | United States Navy | Fort Worth | Freedom-class littoral combat ship | LCS-3 | ||
| 6 October | United States Navy | Michael Murphy | Arleigh Burke-class destroyer | DDG-112 | ||
| 28 November |  Russian Navy | Dagestan | Gepard-class frigate | |||
| 4 December | Russian Navy | Mahachkala | Buyan-class corvette |