HMS/HMNZS Bellona was the name ship of her sub-class of light cruisers for the Royal Navy. She was the first of the fourth group of Dido-class cruisers. Built to a modified design ("Improved Dido") with only four twin 5.25-inch turrets, but with remote power control for quicker elevation and training, combined with improved handling and storage of the ammunition. The light AA was improved over earlier Dido cruisers, with six twin oerilikons and three quad "pom pom".

 HMS/HMNZS Bellona was the name ship of her sub-class of light cruisers for the Royal Navy. She was the first of the fourth group of Dido-class cruisers. Built to a modified design ("Improved Dido") with only four twin 5.25-inch turrets, but with remote power control for quicker elevation and training, combined with improved handling and storage of the ammunition. The light AA was improved over earlier Dido cruisers, with six twin oerilikons and three quad "pom pom".

Entering service in 1943, the cruiser operated during World War II as an escort for the Arctic convoys, and as a jamming ship to prevent the use of radio-controlled bombs and in support of the Omaha Beach landings.

In 1946 the cruiser was loaned to the Royal New Zealand Navy. Although not involved in the 1947 Royal New Zealand Navy mutinies, at the start of the month, 140 sailors elected to not return to the ship in protest at the poor pay and working conditions and how their colleagues had been treated. Fifty-two sailors were eventually marked as deserters while the others were charged with various lesser offences.

Bellona was returned to the Royal Navy in 1956. She did not reenter service and was scrapped two years later.