
USS Benton County (LST-263) was an LST-1-class tank landing ship built for the United States Navy during World War II. Named for nine counties of the United States, she was the only U.S. Naval vessel to bear the name.

USS Biloxi (CL-80) was a United States Navy Cleveland-class light cruiser, the first ship named after the city of Biloxi, Mississippi.

USS Bolivar (APA-34) was a Bayfield-class attack transport in the United States Navy during World War II. She was named for Bolivar County, Mississippi.

USS LST-519 was an LST-491-class tank landing ship built for the U.S. Navy in World War II. She was later renamed USS Calhoun County (LST-519 after counties in eleven states in the United States

USS Clarke County (LST-601), originally USS LST-601, was a United States Navy LST-542-class tank landing ship built during World War II and in commission from 1944 to 1955 and again in the late 1960s. Named after Clarke County, Alabama; Clarke County, Georgia; Clarke County, Iowa; Clarke County, Mississippi; and Clarke County, Virginia, she was the only U.S. Navy vessel to bear the name.

USS De Soto County (LST-1171) was a De Soto County-class tank landing ship built for the United States Navy during the late 1950s. The lead ship of her class of seven, she was named after counties in Florida, Louisiana, and Mississippi, the only U.S. Naval vessel to bear the name.

USS Escatawpa (AOG-27) was a Mettawee-class gasoline tanker acquired by the U.S. Navy for the dangerous task of transporting gasoline to warships in the fleet, and to remote Navy stations.

USS Gulfport (AK-5) was a cargo ship acquired by the U.S. Navy for service in World War I.

USS Holmes County (LST-836) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after counties in Florida, Mississippi, and Ohio, she was the only U.S. Naval vessel to bear the name.
USS Jackson (LCS-6) is an Independence-class littoral combat ship of the United States Navy, and the first ship to be named for Jackson, the capital of Mississippi.

USS Jefferson County (LST-845) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after counties in 25 states, she was the only U.S. Naval vessel to bear the name.

USS John C. Stennis (CVN-74) is the seventh Nimitz-class nuclear-powered supercarrier in the United States Navy, named for Democratic Senator John C. Stennis of Mississippi.

USS Kemper County (LST-854) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after Kemper County, Mississippi, she was the only U.S. Naval vessel to bear the name.

USS Lafayette County (LST-859) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after counties in Arkansas, Florida, Mississippi, Missouri, and Wisconsin, and a parish in Louisiana, she was the only U.S. Naval vessel to bear the name.

USS Lamar (APA-47) was a Bayfield-class attack transport acquired by the U.S. Navy during World War II for the task of mounting amphibious invasions on hostile shores.

USS Lawrence County (LST-887) was a LST-542-class tank landing ship built for the United States Navy during World War II. Named after counties in eleven U.S. states, she was the only U.S. Naval vessel to bear the name.

USS Lincoln County (LST-898) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after counties in 23 U.S. states, she was the only U.S. Naval vessel to bear the name.

USS Benton County (LST-263) was an LST-1-class tank landing ship built for the United States Navy during World War II. Named for nine counties of the United States, she was the only U.S. Naval vessel to bear the name.

USS Mississippi, a paddle frigate, was the first ship of the United States Navy to bear that name. She was named for the Mississippi River. Her sister ship was Missouri. Her keel was laid down by the Philadelphia Navy Yard in 1839; built under the personal supervision of Commodore Matthew Perry. She was commissioned on 22 December 1841, with Captain W. D. Salter in command and launched several weeks later.

USS Mississippi (BB-41/AG-128), the second of three members of the New Mexico class of battleship, was the third ship of the United States Navy named in honor of the 20th state. The ship was built at the Newport News Shipbuilding Company of Newport News, Virginia, from her keel laying in April 1915, her launching in January 1917, and her commissioning in December that year. She was armed with a battery of twelve 14-inch (356 mm) guns in four three-gun turrets, and was protected by heavy armor plate, with her main belt armor being 13.5 inches (343 mm) thick.
USS Mississippi (CGN-40), a Virginia-class nuclear powered guided-missile cruiser, was the fourth ship of the United States Navy named in honor of the 20th state admitted to the Union. Her keel was laid down by the Newport News Shipbuilding and Drydock Company at Newport News, Virginia, on 22 February 1975. She was launched on 31 July 1976. The ship was commissioned on 5 August 1978 by Jimmy Carter, then serving as the 39th President of the United States. Early deployment included escorting the carrier USS Nimitz (CVN-68). She also was deployed in 1989 as a response to the capture and subsequent murder of U.S. Marine Corps Colonel William R. Higgins by terrorists.

USS Montgomery County (LST-1041) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after counties in 18 U.S. states, she was the only U.S. Naval vessel to bear the name.

USS Natchez was a sloop-of-war in the United States Navy built at the Norfolk Naval Shipyard, Portsmouth, Virginia in 1827. Commanded by Commander George Budd, she departed Hampton Roads on 26 July 1827 for the Caribbean. She patrolled with the West Indies Squadron as a deterrent against a resurgence of piracy until forced to sail north by an outbreak of yellow fever among the crew, returning to New York City on 24 November 1828.

USS Pontotoc (AK-206/AG-94/AVS-7) was an Alamosa-class cargo ship acquired by the US Navy shortly before the end of World War II. She was converted into a Gwinnett-class aviation stores issue ship to carry aviation parts and spares, and to issue them to the US Pacific Fleet and activities as needed.

USS Tallahatchie County (LST-1154) was the second of only two Talbot County-class tank landing ships (LSTs) built for the United States Navy just after World War II. Named after Tallahatchie County, Mississippi, she was the only U.S. Navy vessel to bear the name.

USS Vandivier (DER-540) John C. Butler-class destroyer escort in service the United States Navy from 1955 to 1960. She had been launched in 1943 but her construction was suspended until 1954. She was completed as a radar picket ship. After only five years of service she was laid up and later sunk as a target in 1975.

USS Vicksburg (CG-69) is a Ticonderoga-class guided missile cruiser serving in the United States Navy. She is named for both the land Battle of Vicksburg fought during the American Civil War, and the city of Vicksburg, Mississippi.

USS Vicksburg (CL-86), a Cleveland-class light cruiser, was the third ship of the United States Navy named after the city of Vicksburg, Mississippi.