USS Ostrich (MSC(O)-29/AMS-29/YMS-430) was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II.

On 10 December, YMS-430 was once again placed in full commission and began training operations along the Southern Atlantic Coast.

Ostrich, in company with other sister ships, continued her operations along the Atlantic coast going as far north as Labrador and south as Florida, making frequent port calls.

Besides participating in several minesweeping training exercises, Ostrich also performed hydrographic work on occasion.

Naval Vessel Register 1 November 1959, Ostrich was sold for scrap early the next year.