List of ship commissionings in 1874
The list of ship commissionings in 1874 includes a chronological list of all ships commissioned in 1874.
| Date | Operator | Ship | Pennant | Class and type | Notes |
| May 2 | Argentine Navy | Paraná | Steam and sail corvette | ||
| May 11 | Swatara | Screw sloop | Complete re-build of USS Swatara | ||
| June 15 | Fulgerul | Gunboat | |||
| October 10 | ' | recommissioned at Key West | |||
| December 28 | Chilean Navy | Magallanes | Corvette | ||
| Unknown | Alarm' | Experimental torpedo boat |