 |
The list of ship commissionings in 2011 includes a chronological list of all ships commissioned in 2011.
| Operator | Ship | Flag | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|---|
| 16 March |  Japan Maritime Self-Defense Force | Ise | Hyūga-class helicopter destroyer | DDH-182 | ||
| 6 May |  Royal Navy | Diamond | Type 45 destroyer | D34 | ||
| 19 May |  United States Navy | William P. Lawrence | Arleigh Burke-class destroyer | DDG-110 | ||
| 30 May |  People's Liberation Army Navy | Changzhou | Type 054A frigate | 549 | ||
| 9 June | People's Liberation Army Navy | Yantai | Type 054A frigate | 538 | ||
| 23 June | Royal Navy | Protector | A173 | |||
| 1 September | United States Navy | Spruance | Arleigh Burke-class destroyer | DDG-111 | ||
| 29 October | United States Navy | California | Virginia-class submarine | SSN-781 | ||
| 30 October | People's Liberation Army Navy | Jinggang Shan | Type 071 amphibious transport dock | 999 | ||