HMS Alcide, the French and Italian version of "Alcides", another name for Heracles, was a 74-gun third-rate ship of the line of the Royal Navy, designed by Sir Thomas Slade and built by Adam Hayes at Deptford Dockyard being launched on 30 July 1779.

Under Brisbane she was part of the major British attack on the Caracas convoy in January 1780.

[3] On 12 April 1782 Alcide was third in line of attack against the French fleet at the Battle of the Saintes, under the command of Captain Charles Thomson.

[4] Alcide took part in operations against Corsica in September 1793, where she served as flagship to Commodore Robert Linzee.

She was paid off in Portsmouth in 1794 and a survey had found her uneconomic to repair.