The list of ship decommissionings in 2001 includes a chronological list of all ships decommissioned in 2001.
| Operator | Ship | Flag | Class and type | Fate | Other notes | |
|---|---|---|---|---|---|---|
| 17 January |  Royal Navy
|
Coventry | Type 22 frigate | Sold to Romania in 2003 | Renamed Regele Ferdinand | |
| 10 May |  United States Navy
|
L. Mendel Rivers | Sturgeon-class submarine | Submarine recycling | ||
| 19 July | United States Navy
|
Hewitt | Spruance-class destroyer | Sold for scrap | ||
| 15 October | United States Navy
|
Caron | Spruance-class destroyer | Sunk during weapons testing in 2002 | ||
| 16 October |  Brazilian Navy
|
Minas Gerais | Colossus-class aircraft carrier | Sold for scrap | ||
| 19 October |  Royal Australian Navy
|
Brisbane | Perth-class destroyer | Sunk as a dive wreck in 2005 | ||
| 26 November | Royal Navy
|
Cromer | Sandown-class minehunter | Transferred to Britannia Naval College as Hindostan |