The list of ship commissionings in 1912 includes a chronological list of all ships commissioned in 1912.
| Date | Operator | Ship | Flag | Class and type | Pennant | Other Notes | |
|---|---|---|---|---|---|---|---|
| 2 January | |||||||
| 12 January[1] | |||||||
| 27 April | |||||||
| 1 May | |||||||
| 4 June | |||||||
| 15 June | |||||||
| 2 July | |||||||
| 1 August | |||||||
| 12 August | Hamburg-Sudamerikanische DG | General cargo vessel | |||||
| 20 August | |||||||
| 20 August | |||||||
| 17 September | BB-33 | ||||||
| 25 September | BB-32 | ||||||
| 9 October | |||||||
| 15 October | |||||||
| 14 November | |||||||
| 16 November | |||||||
| 19 November | |||||||
| 23 November | |||||||
| 5 December | |||||||
| 10 December |