USS Attu (CVE-102) was a Casablanca class escort carrier of the US Navy. Launched on 27 May 1944, she as commissioned on 30 June 1944. During the Second World War she was used as a transport and replenishment carrier.
As a replacement carrier she supported the invasions of Iwo Jima and Okinawa. By providing replacement aircraft to the fleet carriers, she enabled them to stay on station longer.
Post war she undertook several Operation Magic Carpet missions repatriating US servicemen home. She was decommissioned on 8 June 1946 and scrapped in 1949.