The list of ship decommissionings in 1920 includes a chronological list of all ships decommissioned in 1920.
| Operator | Ship | Class and type | Fate | Other notes | |
|---|---|---|---|---|---|
| 7 May |  United States Navy
|
Alabama | Illinois-class battleship | Target ship | |
| 10 May | United States Navy
|
Kearsarge | Kearsarge-class battleship | Conversion to a crane ship, became Crane Ship 1 (AB-1) | Scrapped in 1955 |
| 15 May | United States Navy
|
Wisconsin | Illinois-class battleship | Sold for scrap in 1924 | |
| 29 May | United States Navy
|
Kentucky | Kearsarge-class battleship | Sold for scrap 1924 | |
| 30 September |  Royal Australian Navy
|
Encounter | Second class protected cruiser | Converted to an accommodation ship | |
| October |  Kaiserliche Marine
|
Roon | Armored cruiser | Scrapped |
See also[]
| Ship events in 1920 | |||||||||||
| Ship launches: | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 |
| Ship commissionings: | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 |
| Ship decommissionings: | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 |
| Shipwrecks: | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 |
The original article can be found at List of ship decommissionings in 1920 and the edit history here.