USS Spear (AM-322) was an Auk-class minesweeper acquired by the United States Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing. Spear was laid down as HMS Errant (BAM-22) on 28 October 1942 by Associated Shipbuilders, Seattle, Washington; renamed USS Spear and reclassified AM-322 on 23 January 1943; launched on 25 February 1943; sponsored by Miss Lois Wilcox; and commissioned on 31 December 1943.