USS Surprise (1815)
 The second USS Surprise and third American naval ship of the name was a ketch that served in the United States Navy from 1815 to 1820.Surprise was purchased by the U.S. Navy at New Orleans Louisiana in March 1815 for operations in a small squadron commanded by Commodore Daniel Todd Patterson against pirates and slave traders.On 18 June 1818 Surprise commanded by Lieutenant Isaac M'Keever captured the schooners Merino and Louisa which carried between them 25 slaves.