List of ship commissionings in 1911
The list of ship commissionings in 1911 includes a chronological list of ships commissioned in 1911. 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 |
|---|---|---|---|---|
| January 11 |  Royal Navy | Neptune | Neptune-class battleship | |
| January 15 |  Austro-Hungarian Navy | Radetzky | Radetzky-class battleship | |
| February 24 | Royal Navy | Indefatigable | Indefatigable-class battlecruiser | |
| May 16 |  Royal Hellenic Navy | Georgios Averof | Pisa-class armored cruiser | |
| June 16 |  Imperial German Navy | Cöln | Kolberg-class cruiser | |
| July 1 | Imperial German Navy | Thüringen | Helgoland-class battleship | |
| July 24 |  French Navy | Danton | Danton-class battleship | |
| July 25 | French Navy | Condorcet | Danton-class battleship | |
| July 25 | French Navy | Diderot | Danton-class battleship | |
| July 31 | Royal Navy | Hercules | Colossus-class battleship | |
| August 1 | French Navy | Mirabeau | Danton-class battleship | |
| August 1 | Imperial German Navy | Ostfriesland | Helgoland-class battleship | |
| August 5 | French Navy | Vergniaud | Danton-class battleship | |
| August 8 | Royal Navy | Colossus | Colossus-class battleship | |
| August 23 | Imperial German Navy | Helgoland | Helgoland-class battleship | |
| August 30 | Imperial German Navy | Moltke | Moltke-class battlecruiser | |
| August 31 |  United States Navy | Utah | Florida-class battleship | |
| September 5 | United States Navy | Florida | Florida-class battleship | |
| November 22 | Austro-Hungarian Navy | Zrínyi | Radetzky-class battleship | |
| December 1 |  Royal Netherlands Navy | O 2 | O 2-class submarine | [1] |
| December 18 | French Navy | Voltaire | Danton-class battleship | |
| December 21 | Royal Netherlands Navy | Medusa | Hydra-class minelayer | [2] |
| unknown date |  Royal Danish Navy | Absalon | Patrol vessel | [3] |
