Five vessels of the Royal Navy have been named HMS Pandora after the mythological Pandora:

• Pandora, launched in 1779, was a 24-gun frigate. She was sent to capture the Bounty mutineers in 1790.
• Pandora , launched in 1859, was a Philomel-class wooden gunboat. She was sold in 1875.
• Pandora , launched in 1889, was a Pearl-class cruiser. She was renamed Katoomba and sold in 1906.
• Pandora , launched in 1900, was a Pelorus-class cruiser. She was scrapped in 1913.
• Pandora (N42) , launched in 1929, was a P-class submarine. She served in World War II and was sunk at Valetta, Malta by Italian aircraft on 1 April 1942.