The list of ship commissionings in 1875 includes a chronological list of all ships commissioned in 1875.
| Date | Operator | Ship | Pennant | Class and type | Notes | Ref |
|---|---|---|---|---|---|---|
| unknown date |  United States Navy | Catskill | Passaic-class monitor | Recommissioned from reserve; may have been in early 1876 | [1] |