Nonsuch was a 32-gun fourth-rate of the English Navy, built by Peter Pett I at Deptford Dockyard and launched in 1646.

[2] She was ordered in December 1645 to be built at Deptford Dockyard under the guidance of Master Shipwright Peter Pett I.

[3] Her actual armament is not recorded in the stated reference, however, is figured to be slightly greater than in the Assurance and Adventure.

At the Battle of Kentish Knock she was a member of Robert Blake's Fleet of sixty-eight ships on 28 September 1652.

[9] In the Battle of Gabbard she was a member of Blue Squadron, Center Division under the command of Admiral John Lawson, on 2/3 June 1653.

When Admiral Tromp attempted to reattack on the 3rd he withdrew when a squadron of eighteen ships arrived under the command of Robert Blake.

[10] This fight was followed by the Battle of Scheveningen where she was a member of Blue Squadron, Center Division under the command of Admiral John Lawson on 31 July 1653.