HMS Leda was a 46-gun Seringapatam-class fifth-rate frigate built for the Royal Navy during the 1820s, one of seven ships of the Druid sub-class.

The Druid sub-class was an enlarged and improved version of the Serinapatam design, modified with a circular stern.

[2] The Druid sub-class was armed with twenty-eight 18-pounder cannon on her gundeck, fourteen 32-pounder carronades on her quarterdeck and a pair of 9-pounder cannon and two more 32-pounder carronades in the forecastle.

[3] Leda, the fourth ship of her name to serve in the Royal Navy,[4] was ordered on 15 May 1821, laid down in October 1824 at Pembroke Dockyard, Wales, and launched on 15 April 1828.

[3] She was completed for ordinary at Plymouth Dockyard in May 1828 and the ship was roofed over from the mainmast forward.