USS Millard County (LST-987) was an LST-542-class tank landing ship built for the United States Navy during World War II.

Assigned to LST Group 25, she operated out of Little Creek, Virginia during the next year as an underway training ship in Chesapeake Bay.

On 19 April 1945, LST-987 entered Portsmouth Navy Yard for a two-week overhaul; thence, after loading rolling stock and LCT-523, she sailed on 16 May for the Pacific.

Steaming via the Marshalls and Marianas, she reached Leyte Gulf, Philippines on 15 July, debarked troops, and on the 16th reported for duty with ServRon 10.

Early in 1946, she returned to the United States from the western Pacific, and in May she was assigned duty as a Naval Reserve training ship.

On 22 September 1972, she was docked on the railway at "de Merwede" shipyard in The Netherlands and conversion to trailing suction hopper dredge commenced.

Resold in 1978 to Cdeco Maritime Construction Inc. of Wilmington, Delaware, she was reflagged U.S. Sold again in 1980 to American International Dredge Corporation.

She primarily performed maintenance dredging of federal navigation channels for the United States Army Corps of Engineers.