List of ship commissionings in 1956
The list of ship commissionings in 1956 includes a chronological list of all ships commissioned in 1956.
| Operator | Ship | Class and type | Pennant | Other notes | |
| 20 July | CVHA-1 | Recommissioned from reserve | |||
| 20 July |  MV|Mill Bay||2navy|NetherlandsHNLMS|Lynx|F823|2sclass|Roofdier|frigate|2navy|United States|1912USS|Saratoga|CV-60|2sclass|Forrestal|aircraft carrier|2navy|Canada|1921HMCS|Assiniboine|DDH 234|2sclass|St. Laurent|destroyer|2navy|Canada|1921HMCS|Ottawa|DDH 229|2sclass|St. Laurent|destroyer|2navy|Canada|1921HMCS|Saguenay|DDH 206|2sclass|St. Laurent|destroyer|2 |