The list of ship decommissionings in 1864 includes a chronological list of ships decommissioned in 1864. In cases where no official decommissioning ceremony was held, the date of withdrawal from service may be used instead.
| Date | Operator | Ship | Pennant | Class and type | Fate and other notes |
|---|---|---|---|---|---|
| May |  United States Revenue-Marine | Aaron V. Brown | revenue cutter | sold [1] | |
| unknown date |  Royal Danish Navy | Aarøsund | gunboat | [2] | |
| unknown date |  Hellenic Navy | Othon | steamship |
USS New Hampshire (1864) was a 2,633-ton ship originally designed to be the 74-gun ship of the line Alabama, but she remained on the stocks for nearly 40 years, well into the age of steam, before being renamed and launched as a storeship and depot ship during the American Civil War. She was later renamed to USS Granite State.
The fourth USS Franklin was a United States Navy screw frigate. The ship was launched in 1864, partially constructed from parts of the previous Franklin (1815). Commissioned in 1867, Franklin served as the flagship of the European Squadron in 1867–1871. The vessel was decommissioned that year. Re-activated in 1873, the vessel joined the North Atlantic Squadron and served until 1877 when the vessel was decommissioned again and used as a receiving ship at Norfolk, Virginia. The vessel remained in this capacity until 1915 when she was stricken and sold.
The first USS Pensacola was a screw steamer that served in the United States Navy during the U.S. Civil War.
The first USS Solace (AH-2) was a hospital ship in the United States Navy.
The first USS Ossipee was a wooden, screw sloop-of-war in commission in the United States Navy at various times between 1861 and 1889. She served in the Union Navy during the American Civil War. She was named for the Ossipee River of New Hampshire and Maine. The USS Ossipee was present during the Alaska Purchase.
The first USS Pequot was a wooden screw gunboat of the Union Navy during the American Civil War. The ship was launched on 4 June 1863 by the Boston Navy Yard; and commissioned there on 15 January 1864, Lt. Comdr. Stephen P. Quackenbush in command. The ship was named for the Pequot Indian tribe resident in Southern Connecticut, members of the Algonquian language grouping.
USS G. W. Blunt was a Sandy Hook pilot boat acquired by the Union Navy during the American Civil War in 1861. See George W. Blunt (1856) for more details. She was used by the Union Navy as a gunboat as well as a dispatch boat in support of the Union Navy blockade of Confederate waterways.
USS Interdictor (AGR/YAGR-13) was a Guardian-class radar picket ship, converted from a Liberty Ship, acquired by the US Navy in 1954. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Pacific Ocean as part of the Distant Early Warning Line.
USS LST-973 was an LST-542-class tank landing ship in the United States Navy. Like many of her class, she was not named and is properly referred to by her hull designation.
she served in the shoals of those dangerous and bitterly contested waters until May 1864 when she proceeded to New York harbor to be sold.
| Ship events in 1864 | |||||||||||
| Ship launches: | 1859 | 1860 | 1861 | 1862 | 1863 | 1864 | 1865 | 1866 | 1867 | 1868 | 1869 |
| Ship commissionings: | 1859 | 1860 | 1861 | 1862 | 1863 | 1864 | 1865 | 1866 | 1867 | 1868 | 1869 |
| Ship decommissionings: | 1859 | 1860 | 1861 | 1862 | 1863 | 1864 | 1865 | 1866 | 1867 | 1868 | 1869 |
| Shipwrecks: | 1859 | 1860 | 1861 | 1862 | 1863 | 1864 | 1865 | 1866 | 1867 | 1868 | 1869 |