The Battle of Valparaiso, also called the Capture of USS Essex, was a naval action fought during the War of 1812. It took place off Valparaíso, Chile on March 28, 1814, between the frigate USS Essex and the sloop USS Essex Junior of the United States Navy and the frigate HMS Phoebe and sloop HMS Cherub of the Royal Navy. The British ships won the battle, and the American vessels were captured.