List of ship commissionings in 1908
The list of ship commissionings in 1908 includes a chronological list of ships commissioned in 1908. In cases where no official commissioning ceremony was held, the date of service entry may be used instead.
| Date | Operator | Ship | Pennant | Class and type | Notes |
| 9 January | ' | ||||
| 1 February | ' | BB-23 | sold to Greece, 8 July 1914 | ||
| 1 February | ' | ||||
| 6 March | ' | ||||
| 19 March | ' | BB-25 | |||
| 1 April | ' | BB-24 | sold to Greece, 8 July 1914 | ||
| 7 April | ' | armored cruiser | Sold 1930; scrapped | ||
| 10 April | ' | ||||
| 13 April | ' | ||||
| 15 April | ' | ||||
| 5 May | ' | ||||
| 8 June | ' | Submarine Torpedo Boat No. 6 | recommissioned | ||
| 13 June | ' | Submarine Torpedo Boat No. 4 | recommissioned from reserve at Mare Island Navy Yard | ||
| 25 June | ' | ||||
| 25 June | ' | ||||
| 6 July | ' | ||||
| 14 August | ' | Submarine Torpedo Boat No. 8 | recommissioned at Cavite, Philippines | ||
| 11 September | ' | ||||
| 20 October | ' | ||||
| 14 November | ' | ||||
| 20 November | Porpoise | Submarine Torpedo Boat No. 7 | recommissioned at Cavite, Philippines | ||
| 1 December |