The list of ship commissionings in 1920 includes a chronological list of all ships commissioned in 1920.
| Operator | Ship | Flag | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|---|
| 31 January |  United States Navy
|
AA-1 | AA-1-class submarine | Submarine No. 52 | ||
| 19 February | United States Navy
|
Sapelo | Patoka-class oiler | AO-11 | ||
| 15 May |  Royal Navy
|
Hood | Admiral-class battlecruiser | 51 | ||
| 9 July |  Royal Netherlands Navy
|
K III | K III-class submarine | K III | ||
| 21 August | Royal Netherlands Navy
|
Z 3 | Z 1-class torpedo boat | Z 3 | ||
| 4 September | United States Navy
|
Trinity | Patoka-class oiler | AO-13 | ||
| 15 September | Royal Netherlands Navy
|
K V | K V-class submarine | K V | ||
| 7 December | United States Navy
|
T-3 | AA-1-class submarine | Submarine No. 61 |
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 commissionings in 1920 and the edit history here.