HMS Squirrel was a Royal Navy 24-gun sixth rate, built in 1785 and broken up in 1817.
In February 1799, while serving on the Jamaica Station, Squirrel and , captured the 14-gun privateer, Penada.
On 3 March 1806, Squirrel and Mediator left Cork, escorting a convoy for the West Indies. The convoy was reported "all well" on 25 March at . Squirrel was going to escort 12 merchantmen on to Demerara, Berbice, and Surinam. Squirrel, , and captured three ships on 6 September: Snelle, Jager, and Engesende. shared by agreement with Lynx and Driver in the proceeds.