HMS Cossack was a Royal Navy C-class destroyer launched on 10 May 1944.

[4] On 18 May 1951, Cossack intercepted the cargo ship Nancy Moller off Hainan, China.

The ship was carrying a cargo of rubber bound for a Chinese port in contravention of a United Nations embargo.

[7] Cossack supported Operation Grapple, the series of British nuclear weapons tests in 1957.

[2] On 8 December 1959 she arrived back at Devonport Dockyard after 15 years service in the Far East.