The list of ship decommissionings in 1956 includes a chronological list of all ships decommissioned in 1956.
| Operator | Ship | Class and type | Fate | Other notes | |
|---|---|---|---|---|---|
| 16 January | anti-submarine carrier | Scrapped | Reserve until stricken in 1970[1] | ||
| 3 June | Scrapped | Reserve until stricken in 1970 | |||
| 31 August | Reserve | Reactivated by the Military Sea Transportation Service in 1965 | |||
| Date uncertain |