The list of ship decommissionings in 1920 includes a chronological list of all ship

Ship

Since the end of the age of sail a ship has been any large buoyant marine vessel. Ships are generally distinguished from boats based on size and cargo or passenger capacity. Ships are used on lakes, seas, and rivers for a variety of activities, such as the transport of people or goods, fishing,...

s decommissioned in 1920.

! width="90" |
! style="text-align: left; background: #aacccc;"|Operator
! style="text-align: left; background: #aacccc;"|Ship
! style="text-align: left; background: #aacccc;"|Class and type
! style="text-align: left; background: #aacccc;"|Fate
! style="text-align: left; background: #aacccc;"|Other notes
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! style="background: #bbdddd;"| 7 May
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| Alabama

USS Alabama (BB-8)

USS Alabama was an pre-dreadnought style battleship in the United States Navy. She was the second ship to carry her name.Alabama was laid down on 1 December 1896 at Philadelphia, Pennsylvania, by the William Cramp and Sons Ship and Engine Building Company. She was launched on 18 May 1898...

| Illinois class

Illinois class battleship

The Illinois-class battleships were pre-dreadnought battleships of the United States Navy commissioned at the beginning of the 20th century. The first ship of its class, the , was commissioned in 1901...

 battleship
| Target ship
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! style="background: #bbdddd;"| 10 May
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| Kearsarge

USS Kearsarge (BB-5)

USS Kearsarge , the lead ship of her class of battleships, was the first ship of the United States Navy to be named, by act of Congress, in honor of the famous American Civil War sloop-of-war . Her keel was laid down by the Newport News Shipbuilding Company of Newport News, Virginia on 30 June...

| Kearsarge class

Kearsarge class battleship

The Kearsarge class was a two-ship class of battleships built for the United States Navy at the beginning of the 20th century. Its first ship, the , was commissioned in 1900. The lead ship of this class, USS Kearsarge, was the only United States battleship not named for a state.- Ship history :This...

 battleship
| Conversion to a crane ship, became Crane Ship 1 (AB-1)
| Scrapped in 1955
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! style="background: #bbdddd;"| 15 May
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| Wisconsin

USS Wisconsin (BB-9)

USS Wisconsin , an Illinois-class battleship, was the first ship of the United States Navy to be named for the 30th state.The keel of Battleship No. 9 was laid down on 9 February 1897 at San Francisco, California, by the Union Iron Works...

| Illinois class

Illinois class battleship

The Illinois-class battleships were pre-dreadnought battleships of the United States Navy commissioned at the beginning of the 20th century. The first ship of its class, the , was commissioned in 1901...

 battleship
| Sold for scrap in 1924
|
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! style="background: #bbdddd;"| 29 May
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| Kentucky

USS Kentucky (BB-6)

USS Kentucky , a Kearsarge-class battleship, was launched on 24 March 1898 by Newport News Shipbuilding & Dry Dock Company of Newport News, Virginia, sponsored by Miss Christine Bradley, daughter of Governor William O'Connell Bradley of Kentucky, and commissioned on 15 May 1900, Captain Colby M...

| Kearsarge class

Kearsarge class battleship

The Kearsarge class was a two-ship class of battleships built for the United States Navy at the beginning of the 20th century. Its first ship, the , was commissioned in 1900. The lead ship of this class, USS Kearsarge, was the only United States battleship not named for a state.- Ship history :This...

 battleship
| Sold for scrap 1924
|
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! style="background: #bbdddd;"| 30 September
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|
| Second class protected cruiser

Protected cruiser

The protected cruiser is a type of naval cruiser of the late 19th century, so known because its armoured deck offered protection for vital machine spaces from shrapnel caused by exploding shells above...

| Converted to an accommodation ship
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! style="background: #bbdddd;"| October
|
| Roon

SMS Roon

SMS Roon"SMS" stands for "Seiner Majestät Schiff", or "His Majesty's Ship" in German. was the lead ship of her class of armored cruisers of the Imperial German Navy. The ship was authorized under the second Naval Law in 1902, and built at the Imperial Dockyard in Kiel at the cost of 15.3 million...

| Armored cruiser
| Scrapped
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