The second USS Winooski (AO-38) was a Kennebec-class oiler in the United States Navy. Winooski was laid down as Calusa on 23 April 1941 at Sparrows Point, Maryland, by the Bethlehem Steel Company under a Maritime Commission contract (MC hull 144); launched on 12 November 1941; sponsored by Mrs. Laurence B. Levi; taken over by the Navy on 5 January 1942. She was renamed Winooski (AO-38) on 9 January 1942; and commissioned at Baltimore, Maryland, on 27 January 1942.