HMS Argonaut was a Dido-class cruiser of the British Royal Navy which saw active service during the Second World War.

Constructed at the Cammell Laird shipyard, Birkenhead, Argonaut was laid down in 1939, launched in September 1941, and formally commissioned into service on 8 August 1942.

[1] In December 1942 Argonaut joined the newly formed Force Q, commanded by Rear Admiral Cecil Harcourt, with the mission of disrupting German–Italian convoys on the Tunisian coast.

On 1 December, Argonaut and the other ships in Force Q took part in the Battle of Skerki Bank – attacking and largely destroying an Italian convoy.

Subsequently, the ship conducted a sweep of the Aegean Sea, sinking a number of small Axis craft, before sailing east to the Indian Ocean, where Argonaut joined the British Pacific Fleet in 1945.