HMS Byron was a US-built Captain class frigate of the Royal Navy during World War II. Named after Vice Admiral The Honourable John Byron whose frequent encounters with bad weather in ensuing years won him the sobriquet, "Foul Weather Jack".Originally laid down as DE-79, a turbo-electric (TE) type Buckley-class destroyer escort, she was diverted to the Royal Navy and named HMS Byron before the launch.
During World War II, HMS Byron earned battle honours for service in the English Channel, the Arctic, and the Atlantic in 1944 and in the North Sea in 1944 and 1945. In the course of these operations, she participated in the destruction of two German U-boats: on 27 March 1945 off the Hebrides, in position 57.15°N -61°W, by depth charges in company with and ; and, teaming with HMS Fitzroy, on 8 April 1945 south-west of Land's End, in position 49.3167°N -33°W, by depth charges.