List of ship decommissionings in 1904
# List of ship decommissionings in 1904

The list of ship decommissionings in 1904 includes a chronological list of ships decommissioned in 1904. In cases where no official decommissioning ceremony was held, the date of withdrawal from service may be used instead.

| Date | Operator | Ship | Pennant | Class and type | Fate and other notes |
| - | - | - | - | - | - |
| August 20 | United States | Moccasin | Submarine Torpedo Boat No. 5 | Plunger-class submarine | to reserve at Norfolk, Virginia until shipped to the Philippines |
