USS Whippoorwill (AM-35) was a Lapwing-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. The first Whippoorwill to be so-named by the Navy, Minesweeper No. 35 was laid down on 12 December 1917 at Mobile, Alabama, by the Alabama Drydock and Shipbuilding Company; launched on 4 July 1918; sponsored by Miss M. I. Evans; and commissioned on 1 April 1919, Lt. Birney 0. Halliwill in command.