The USS LST-517 was a tank landing ship in the service of the United States Navy during World War II.

LST-517 offloading a Sherman tank of the French 2nd Armored Division, August 1944
History
United States
Name	USS LST-517
Laid down	10 September 1943
Launched	15 January 1944
Commissioned	7 February 1944
Decommissioned	21 December 1945
Stricken	21 January 1946
Fate	Sold for scrap 1947
General characteristics
Class and type	Landing Ship, Tank Mk. 2
Length	327 ft 9 in (99.90 m)
Beam	50 ft (15 m)
Draft	Unloaded : 3 ft 4 in (1.02 m) bow 7 ft 6 in (2.29 m) stern Loaded : 8 ft 2 in (2.49 m) bow 14 ft 1 in (4.29 m) stern
Propulsion	2 × General Motors 12-567 diesel engines, two shafts, twin rudders
Speed	12 knots (14 mph; 22 km/h)
Boats & landing craft carried	2 to 6 LCVPs
Troops	Approx. 140 officers and other ranks
Complement	8 to 10 officers, 100 to 115 enlisted
Armament	1 × 3 in (76 mm)/50 gun 6 × 40 mm guns 6 × 20 mm guns 2 × .50 cal (12.7 mm) machine guns 4 × .30 cal (7.62 mm) machine guns

LST-517 was laid down on 10 September 1943 at Seneca, Illinois by the Chicago Bridge & Iron Company; launched on 15 January 1944; sponsored by Miss Onita Watland Walker; and commissioned on 7 February 1944. During World War II, LST-517 was assigned to the European theater and participated in the invasion of Normandy on 6 June 1944. Upon her return to the United States, she was decommissioned on 21 December 1945 and struck from the Navy list on 21 January 1946. A year later the tank landing ship was transferred to the Maritime Administration for disposal and sold for scrap to the National Metal and Steel Corporation on 17 January 1947.

LST-517 received one battle star for World War II service.