The list of ship commissionings in 1926 includes a chronological list of all ships commissioned in 1926.
| Operator | Ship | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|
| 18 January | 
Royal Netherlands Navy
|
HNLMS O 9 | O 9-class submarine | O 9 | |
| 18 January |
Royal Netherlands Navy
|
HNLMS O 11 | O 9-class submarine | O 11 | |
| 25 March |
Royal Netherlands Navy
|
HNLMS Flores | Flores-class gunboat | F 801 | |
| 29 March |
Royal Netherlands Navy
|
HNLMS K XIII | K XI-class submarine | K XIII | |
| 12 April |
Royal Netherlands Navy
|
HNLMS Soemba | Flores-class gunboat | ||
| 26 May |
Royal Netherlands Navy
|
HNLMS Sumatra | Java-class cruiser | ||
| 1 September |
Royal Netherlands Navy
|
HNLMS O 10 | O 9-class submarine | O 10 |