The list of ship commissionings in 1871 is a chronological list of ships commissioned in 1871. In cases where no official commissioning ceremony was held, the date of service entry may be used instead.
| Operator | Ship | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|
| 6 December |  Royal Navy | Simoom | Iron-screw troopship | [1] |