HMS Bigbury Bay was a Bay-class anti-aircraft frigate of the British Royal Navy, named for Bigbury Bay in Devon. The ship was originally ordered on 19 January 1943 as a Loch-class frigate to be named Loch Carloway, but the order was changed before construction began. She was laid down on 30 May 1944 as Job Number J11825 by Hall Russell at Aberdeen, launched on 16 November 1944, and completed on 12 July 1945 with the pennant number K606.