USS Mariner may refer to the following ships of the United States Navy:
USS Mahan (DD-102) was a Wickes-class destroyer built for the United States Navy. Commissioned in 1918, Mahan was a flush deck destroyer, and the first ship to be named for Rear Admiral Alfred Thayer Mahan. Her main battery consisted of four 4-inch/50 caliber guns.
Several ships of the United States Navy have borne some version of the name Roosevelt in honor of members of the Roosevelt family.
Six ships of the United States Navy have borne the name USS Powhatan or USNS Powhatan, named in honor of Powhatan (1550–1618), an Indian chief in tidewater Virginia; the father of Pocahontas.
USS Tucker was the lead ship of her class of destroyers built for the United States Navy prior to the American entry into World War I. The ship was the first U.S. Navy vessel named for Samuel Tucker.
USS John Francis Burns (DD-299) was a Clemson-class destroyer built for the United States Navy during World War I.
USS Mariner (SP-1136) was a wooden-hulled tugboat for the United States Navy in World War I. She had previously been the Jack T. Scully of the Neptune Line of New York before her acquisition by the Navy. She foundered and sank in a gale on 26 February 1918 while part of a convoy steaming to Bermuda.
Several ships have been named or referred to as Liberty or as a Liberty ship:
The fifth USS Ranger (SP-237) was United States Navy patrol vessel in commission from 1917 to 1919.
USS Mariner was a commercial tugboat operating in the Panama Canal area. When World War I broke out, she was commissioned and armed by the United States Navy, and spent the rest of the war protecting vessels in the vicinity of the canal from German submarines.
USS Alaska (ID-3035) was a minesweeper that served in the United States Navy from 1918 to 1919.
USS Virginian was a United States Navy tug in commission from 1918 to 1919.
USS Simplicity (SP-96) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1918.
The third USS Seneca (SP-427), later USS SP-427, was a United States Navy minesweeper and patrol vessel in commission from 1917 to 1919.
USS Naushon (SP-517) was a United States Navy patrol vessel in commission from 1918 to 1919.
USS Vivace (SP-583) was a United States Navy patrol vessel in commission from 1917 to 1918.
USS Herreshoff No. 321 (SP-2235), also written Herreshoff #321, was a United States Navy patrol vessel in commission from 1918 to 1921.
USS West Zula (ID-3501) was a United States Navy cargo ship in commission from 1918 to 1919.
USS Berwyn (ID-3565) was a United States Navy cargo ship in commission from 1918 to 1919. She saw service in the final weeks of World War I, then entered commercial service in 1919 as SS Berwyn. She was wrecked in 1920.