History
United States
Laid down	6 February 1941
Launched	29 March 1941
In service	14 July 1941
Out of service	27 December 1945
Stricken	21 January 1946
Fate	fate unknown
General characteristics
Displacement	213 tons
Length	97 ft 1 in (29.59 m)
Beam	22 ft (6.7 m)
Draught	8 ft 6 in (2.59 m)
Speed	10.0 knots
Complement	7
Armament	two .30 cal (7.62 mm) machine guns

USS Ostrich (AMc-51) was an Accentor-class coastal minesweeper acquired by the U.S. Navy.

It was the second ship to be named Ostrich by the Navy, and was laid down 6 February 1941, by the Herreschoff Mfr. Co. Bristol, Rhode Island; launched 29 March 1941 and placed in service 14 July 1941.

After completion of fitting out, Ostrich departed Boston, Massachusetts, 29 July and sailed for Hampton Roads, Virginia, where she arrived 31 July and reported to Commandant, 5th Naval District for type training at Yorktown, Virginia.

She was then attached to an Inshore Patrol Squadron and remained in this capacity until late November, when in company with USS Courlan (AMc-44) and USS Develin (AMc-45), she sailed to New Orleans, Louisiana, arriving 5 December and reporting to Commandant 8th Naval District. She operated out of New Orleans for the remainder of the war and until placed out of service on 27 December 1945 at Norfolk, Virginia.

She was struck from the Naval Vessel Register 21 January 1946 and transferred to the Maritime Commission on 21 March 1947 for disposal.

 This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.

• Dictionary of American Naval Fighting Ships
• NavSource Online: Mine Warfare Vessel Photo Archive - Ostrich (AMc 51)