List of ship commissionings in 1949
The list of ship commissionings in 1949 includes a chronological list of ships commissioned in 1949.
| Date | Operator | Ship | Class and type | Notes |
| 4 April | Worcester-class light cruiser | |||
| 14 May | Des Moines-class heavy cruiser | |||
| 2 August | Loch-class survey ship | |||
| 26 August | Grimbsy-class survey ship | |||
| 15 October | Krieger-class torpedo boat | |||
| Unknown date | Krieger-class torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | minesweeper | |||
| Unknown date | minesweeper | |||
| Unknown date | torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | torpedo boat | |||
| Unknown date | Trinity House | Sandettie | Lightvessel |