USS Bougainville (CVE-100) was an Casablanca class escort carrier of the United States Navy, built and used during World War II. She was launched on 16 May 1944 by the Kaiser Shipyards in Vancouver, Washington, under a Maritime Commission contract; sponsored by Mrs. Sally A. Montfort, wife of Captain Montfort, acquired on 18 June 1944; and commissioned the same day, Captain C. A. Bond in command.